thanks, chris 2 Similar Threads: These &0000 are called Hexdecimal numbers use to store binary parameters to Base 16 binary digits. Feb 27, 2023 · The machine starts up with an alarm 9 absolute position malfunction (&00000001, &0010) and alarm 72 servo warning (&0000009F, &0010) and if I wait a while the alarm 33 pops up with an e stop alarm at the same time or if I try and home the machine it pops up right away. Issued by Manual Publication Section, Yamazaki Mazak Corporation, Japan 10. At the spindle amp, there are 2 connectors, one with a cable and the other the buss terminator. Recently, some of the machines had servo problem and need to repair. Does anyone has the manual of this controller. Fanuc 6MB11 "2013 magazine servo unit alarm". lets do it again. Here you find more information about Siemens AG – Jul 17, 2016 · Hello members, We have a MAZAK VTC 20B machine. The machine has been sitting for a while and when i booted it up it worked fine for a few days until the spindle amplifier wouldnt boot (MDS-B-SP-110). I did what the book said and hit reset and went and looked at the magazine and everything looks fine. Jan 12, 2019 · On gear 1 machine get to 900 rpm but brake to 0 rpm is taking over 6 seconds. . MDI 1 and 2 with reset clears it but then it comes back pretty quickly. We went ahead and put the machine into privilege mode and checked the Spindle Monitor parameters and everything looked good. Apr 10, 2013 · I can't see how a "coolant chiller" will give a spindle lube alarm, maybe a spindle oil chiller The oil chillers will shut down with high head pressure and give an alarm on the CNC if the air flow over the condenser coil drops due to fan quitting or things getting plugged up. Yes, friend's machine was sitting in his hot garage for 2 years. It sounds like you have a mechanical binding in this mechanism, or possibly the inverter for the live milling motor is going out. 6V. I looked in the cabinet and the drive is flashing 65. Apr 11, 2013 · Mazak 20/40B persistant spindle lube alarm. These drives won't be in the bank pictured above, but usually stand alone inside the electrical cabinet. Took the drives out and cleaned the fans, all work fine, got a new spark arrestor no Alarm 41 Spindle malfunction after amplifier change. 205 MILLING CONTROLLER MALFUNCTION. i taped the door closed better and avoided that particular rpm. We have a Mazak Qt 200 lathe that keeps giving a 221 turret unclamp sensor malfunction alarm. I'm getting this servo alarm and can't figure out how to clear it out. After getting it hooked up and moving around and replacing the battery on the magazine drive I tried a few tool changes. After that it wouldn't move any more and any tool change would bring back the "292- no unload arm shifter pos error" alarm. Once these batteries were replaced and Absolute Position Recovery Procedure was performed, alarms 211,212, and 302 turned off leaving only alarm 42. " We believe w. So now need help on this new isssue Dec 27, 2018 · That is the only way. Alarms on M32 from 200 are PLC alarms. and 303 ATC amr 0B malf. We are having intermittent problems with our QT20, alarm 15 system malfunction. Y, I have also some alarm list of FR-SF drive and repaired many times this unit but I have never seen Alarm 43. Beside the TPM that we did, even though not 100%, we would need to study on why the servo is always malfunction. We have a Mazak FH480 with Daikin Oilcon chiller. At first we thought it was the prox switch so we installed a new one but it still throws the alarm. Can anyone tell me if it's the pressure switch or do I need to rebuild the the unit with a motor and gears. ie. Mazak CNC Manual / Mazak / Alarm & Parameter Manual for Mazatrol M-32 Series. it is a Mazak Nexus 200 Any help?? Similar Threads: Need Help!-Alarm 406 Memory Protect Mazak Nexus 510c Matrix Control; Need Help!-mazak alarm 206 spindle lube malfunction; Need Help!- Oct 7, 2014 · I plowed through my maintenance manual and chapter 2. List of Sensors, Limit Switches, and Oiling Points. the mill trips off after 20 seconds with alarm 206 "spindle lube malfunction. The machine started out by giving is a few random alarms i. Jan 12, 2012 · After checking transformer taps, and getting the phasing correct, I get alarm 25 main power supply malf on the screen. Category overview ; List of all discussion forums ; The 100 latest forum topics ; IndustryArena. It connects to the servo amp shown in the lower left corner of the picture in post #4, the other connector goes to the spindle amp. is a relocation detector, a device that prevents you from moving the machine to Iran or to the residence of the evil Putin At least without the knowledge of the Mazak company. The time now is . Jun 27, 2018 · Re: 360 spindle cooling malfunction alarm in yellow. If your spindle drive is bad, it is most likely one or more of three things: 1. May 2, 2023 · Refer to the Mazak Manuals for detailed information on specific alarm codes; Identify the recommended troubleshooting steps and follow them carefully; Tip 2: Regular Maintenance. 1) Memory clear & reload from backup. Today it popped alarm 15 during a run and during a few power shutdowns and restarts it kept coming back. Changed out spindle cooling pump and cleaned radiator. Perform routine maintenance on your Mazak machine to prevent alarm occurrences; Ensure proper lubrication, cleaning, and inspection of critical components; Tip 3 Mazak VCU 400, VCU 500 User Manual. 43 SPINDLE MALFUNCTION 2 Cause The spindle (NC reset level) is abnormal. Check and remedy Turn off the main circuit brea. Any idea where to look would be great. Mar 12, 2013 · The top connector in your second picture is the start of the buss that controls the servos and spindle. Replaced batteries, reloaded parameters via keypad, and cleared all but this one fault code. I *think* the 250 spindle misop alarm is still the same from the nexus down to the quickturns, same alarm I get when try to start the spindle with the chuck in an "inoperable" state. Check spindle runout with a ground, calibrated spindle test bar every 6 months and/or after any crash. Feb 2, 2019 · Alarm 212 is "magazine Drum Malfunction" Alarm 300 is "Magazine Shifter Pos. Turn off the main circuit breaker and then turn it back on. Mazak Alarm 205 MILLING CONTROLLER MALFUNCTION. Dec 10, 2023 · Alarm 41 Spindle malfunction after amplifier change. If the alarm is not released, please contact your MAZAK service representative. When I looked at the alarm history, it also had a 204 spindle controller malf. It looks at switches around MAGAZINE, SETUP SWITCH,TOOL CLAMP SWITCH, SPINDLE STATUS and so on. Parameter was RB16. I have ran Mazak VMC's since 1989 (M32 control) and never noticed these options on newer controls. They worked A broad range of specifications is accessible to satisfy a variety of procedure integration requirements. 92. Slideway lube malfunction? This is on a Mazak QT-20 with a Mazatrol T-Plus controller. Cleaned all the sensors and still the same thing. 202 HYDRAULIC PRESSURE DOWN. Additionally, monitor your spindle’s spring force with a draw bar pull-force test. torque 16000 rpm AC 37 kW (50 hp) [30-min. Feb 21, 2022 · Thanks for the advice guys! The spindle control alarm is now fixed after switching the voltage taps and it brakes properly. All times are GMT +1. and manual name. choppy. 2 describes the encoder. Two of our machines were Oct 3, 2003 · VTC-160A/B, VTC-200B/C & VTC-300C (Mazatrol Fusion 640M) Publication # C557MA0014E. Acceleration to rpm's is ok. Mazak Nexus 200 - Battery Malfunction Alarm. Looking at the pic that says 2. AEM191; Sep 15, 2022; Mazak; Replies 1 Views 666. Hmm. Cause: The Mar 10, 2011 · We had a Spindle cooling fan overtemp alarm back last spring, Maintenance replaced it and all was well until this week when it did it again, The operator opened up the end of the machine and put a floor fan blowing on the Spindle cooling fan and continued running. Still getting alarm. Hi, Problem could be the CAM11 cable or the MCP/CPU (MC1xxx) card on CNC from which this cable comes out. Any alarm indication on the spindle drive 7 segment display? You may also go to diagnosis alarm page and give the complete alarm details along with numbers mentioned in the bracket, which will help to find the exact cause. An alarm signal has been sent from the shifter-use amplifier to the NC unit. Can anyone point me in the right direction? Jul 9, 2008 · The controller itself should have a red led on and if it's a newer one will display an alarm code that coresponds to the manual. TV . Apr 15, 2011 · Forum Rules. Use input and output table in diagnostics and write a truth table for each turret position. or the machine name, serial No. I had to change mine to 5 seconds, 25hp on a 20hp RPC, and it still won't fire up the spindle in high gear. Nov 6, 2023 · With the first board, the machine will still run, it just won't continue to run if the spindle decelerates during operation. The alarm is always on the first process "facing" when the tool Jun 20, 2017 · If you have hours on this machine you might want to check your X axis grease lube line under a sheet metal cover on the back side of the machine table. Unhide. The one that fell out of the spindle had no chance, it just fell straight out. 66 psi which is next to nothing, i,m wondering what is normal running pressure is, when hot. The controller is a mds-b-sp-110. A barely used Sandvik ER16 collet chuck, probably in the spindle 10 times. If CAM11 cable is ok, need to check 1) Memory clear & reload from backup 2) Replace MCP/CPU card & check. Fan is running fine. May 27, 2008 · Dave, you can easily change the spindle ramp time on the spindle drive, less of a spike. I recently purchased a 1999 Mazak FJV-250 with Mazatrol 640M control. Sep 24, 2013 · The 257 Tool Unclamp Sensor Malfunction and the 256 Tool Clamp sensor malfunction went away and now I am getting the 302 ATC arm Driver malf. ) but after a few minutes the main spindle drive LEDs go Mazak, Mitsubishi, Mazatrol > Mazak T32-3 Alarm 015 System Malfunction started machine up this morning and had a few different alarms first 2 was, 10 detector malfunction 2 emergency stop hit reset and got 72 servo warning 82spindle warning power off and power back on and got 2 new alarms 12 absolute postion warning 31 servo malfuction been waiting to here back from mazak. ) displayed in parentheses. May 27, 2011 · Sub Spindle Drive: r0 . Yamazaki Mazak Singapore. Bit 7 had to be highlighted. Also check clamp unclamp relays. Founded in 1988, Yamazaki Mazak Singapore plays a pivotal role in providing premium quality before and after sales service. Been around Mazaks for close to 20 years and this a first. 203 AIR PRESSURE DOWN. New and popular video trends Sep 10, 2008 · Siemens Forum - Learn everything around the CNC production and can ask extensively about SINUMERIK at CNC4you. - Cycle start button - Spindle start button - Spindle JOG switch - Magazine FORWARD/REVERSE button - Tool Apr 4, 2014 · Well as stated above, Im having trouble with our Mazak. 4. You are in NMI E Stop because your spindle controller is down. I have spare boards/amplifiers from another machine that was working but was scrapped years ago by previous owner. Alarm 15, drive 1 =A6, drive 2 =f6/e7, drive 3=e6. I usually adjust my feeds and speeds so that it's around 90% and I never had any issues with the sub-spindle before. I did google search but no sign of this alarm but it must exist because the unit is indicating this alarm (also all the alarm list is printed on the cover of the drive but no alarm 43. It's sitting around 55%. If I switch off the 100 amp breaker to the VFD, I get alarm 204 spindle drive alarm along with the 205 alarm. When I remove the wires to the pressure switch, it will not alarm out. 206 OPEN FRONT DOOR (EMERGENCY STOP) 211 NOT OPERATED MCODE SIMULTA. 95. Any ideas? Similar Threads: Newbie-mazak H1250 spindle malfunction alarm 44; Need Help!-mazak alarm 206 spindle lube malfunction; Spindle cooling with PC Liquid cooling system; Need Help!-Mazak T32-3 Alarm 015 System Oct 10, 2017 · could be electronic circuit board that controls motor. Many thanks to your reply Botha. Dec 3, 2013 · It was a different tool that fell out. View online or download Mazak VTC-300C Operating Manual, Maintenance Manual. I'm still thinking it has something to do with the chuck data. these parameters are all too often difficult to find because they are usually only referenced within the Feb 13, 2022 · I have a Mazak SQT10MS. " Update: We were able to manually move the tool shifter after activating a parameter to add a menu option to release the break. 34 Servo malfunction 3 (&0000006F, &0008, ) Feb 4, 2016 · Join us! eMastercam - your online source for all things Mastercam. It has been throwing a alarm 21, power unit drive malfunction. Feb 12, 2009 · Mazak T32-3 Alarm 015 System Malfunction. Feb 19, 2023 · Hi everyone, This is my first post on here so hopefully I've provided the right information. Mazak VTC-300C Pdf User Manuals. 6. Mazak Alarm 205 MILLING CONTROLLER MALFUNCTION Description An alarm occurred at milling spindle controller. Also check the little hydraulic cylinder on the top of the spindle that activates the tool clamp. I exchanged it (to a refurbished used one) and the machine would boot, i can jog the spindle to any RPM (if i start it with 0rpm and raise it). I have looked through other threads but haven't found anything. We changed the spindle logic card of the Receiving Power. Mazak Alarm 204 SPINDLE CONTROLLER MALFUNCTION. May 16, 2012 · The time now is . The tool that was in the spindle just dropped when it cycled through to this state. South East Asia Technology Centre. I believe its supposed to cycle every 8 minutes. In the controller of the spinlde reads f46c. Dec 16, 2013 · Many thanks to your reply Botha. Description. Nov 11, 2018 · The FR-SE spindle drives are known to fail after a couple decades of use. Need Help! Mazak T32-3 Alarm 015 System Malfunction. Even so! When machine is braking in gear 2 never manage to stop. Sep 8, 2008 · Hello everyone, i have a mazak plus machine with alarm on the screen 44 spindle malfunction 3. Smooth G. alarm. If CAM11 cable is ok, need to check. D. While spinning the rear spindle, it does not seem to be the smoothest i. Live and learn. May be MELDAS service engineer required for this. May 27, 2011 · Siemens Forum - Learn everything around the CNC production and can ask extensively about SINUMERIK at CNC4you. If a new manual is required, please order from the nearest Technical/Service Center with the manual No. View and Download Mazak VCU 400 instruction manual online. Aug 29, 2019 · two alarms popped up yesterday, No 68 – spindle inverter overcurrent, no 211 spindle driver malfunction and number 32 on the drive. Need Help!-. blown components on the SE-IO1 circuit board 3. 44 SPINDLE MALFUNCTION 3 Cause. Check and remedy Turn off the main circuit breaker and. It has live tooling and rear spindle. rating] 179 N∙m (132 ft∙lbs) [30-min. Check and remedy. rating] AC 30 kW (0 hp) [cont. Thank Re: Alarm 221 (Turret Sensor Malfunction) Check odd/ even polarity proximity switch or angle encoder count bits. Dec 6, 2013 · I have a 530C with a Smart control. There should be a data along with the alarm . There are 5 possible reason for this alarm, but the machine is not giving me the reason, Just a number 21 alarm. over amperage alarm,, etc. In our company, we have 14 Mazak machines FH6000, FH4800, VCN510, VTC200, QTN200 and so on. It is now failing completely with a '81 Spindle Speed Error' on the monitor and 'AL 23' alarm on the drive. The spindle barely started spinning up before the thing fell. After cycling power, the menu option for the brake was there. Here you find more information about Siemens AG – Dec 17, 2023 · Require Mazak Technical Center or Technology Center to re-set the spindle parameters. It doesn't seem to have anything to do with the load because one time it stopped mid-air during a rapid move. I have no LEDS lit on the spindle drive, but on the AMP Status the LED's are blinking F1 then 36, F2 then 36. A sizable drop in force could lead to vibration and runout, which can damage your spindle and your parts. Jul 3, 2009 · Mazak FH-480 Spindle Malfunction Alarm. Sep 10, 2008 · CHIRON Group Forum - The CHIRON Groupis a global company specializing in CNC vertical milling and mill-turn machining centers, as well as turnkey manufacturing Mar 16, 2009 · Ah I see, now its a soft key. basically safety interlock would stop spindle if it read door was open even if door was Jul 3, 2019 · There should be a data along with the alarm . Always keep this manual near the machinery for immediate use. Mazak Alarm Series For Large Not just the elizabeth series for large workpiéce machining, but furthermore the e-RAMTEC collection are outfitted with a memory spindle for deep ID turningmachining, and thé j-series are made to provide you the optimum value simply because well. Same outcome for both. We have a Mazak Integrex 100-IV with second spindle and it keeps throwing code 212 magazine driver malfunction but everthing is running fine. If the alarm is not cleared, please contact your MAZAK service representative. I found that when I open the machine, the axes go to the home point. Công ty TNHH However, when trying to orient the spindle or start at a given RPM it throws alarm 41, the servo amp MDS-B-SP-110 gives me E4-32 which seems to be an Mazak, Mitsubishi, Mazatrol > Alarm 41 Spindle malfunction after amplifier change Standard 10000 rpm spindle 10000 rpm spindle output/torque diagram Speed Output Max. 200 THERMAL TRIP (EMERGENCY STOP) 201 BREAKER TRIP. 1500 rpms. H. Started my QT8 lathe this morning, homed it went to start the spindle (manually) to warm in up and I have received Alarm 015 (2, 9476) System malfunction. Feb 27, 2023 · We have a mazak 5 axis with mazatrol matrix 2. Alarms are disappearing after shutdown an main braker in OFF position for couple seconds. i also had mazak at certain speeds it read back tool loading door was open and spindle would stop. R. As said, don't turn the machine off until the culprit battery/batteries are replaced! ToolCat Feb 6, 2023 · Not very high. Mazak PLC Alarm List. Siemens Forum - Learn everything around the CNC production and can ask extensively about SINUMERIK at CNC4you. Then, I'm guessing, when it looses pressure, or needs to be pumped, the alarm comes back on. Find many great new & used options and get the best deals for Mazatrol Fusion 640T-Nexus MAZAK VCN-410A Mechanical Parts List Manual at the best online. 2) Replace MCP/CPU card & check. vibration resonance much more at certain rpm. blown main power block(s) in the base of the drive. Fresh Mazak pullstud torqued to the spec the Sandvik guy gave me and everything. Sep 10, 2008 · Forum - The expert community . Any help is greatly appreciated. All Mazak machine tools are engineered with a number of safety devices to protect personnel and equipment from injury or damage. It flexes on every X move and 3 of the 4 lines on ours were broken. when I turn the spindle by hand on my screen it shows revolutions per 8 for example 8 then 16 then 24 then 32 then 41 then 49 and this continues as I increase the revolutions by hand . noname777. 281 alarm is obviously you cant start spindle without gears engaged. %PDF-1. 2. Mazak VCN compact 5x alarm 33 servo malfunction Jun 29, 2011 · My biggest concern is bug #386. Pressing the ATC ARM 180 or 0 buttons gives me an alarm 367 ARM REV (ARM POS. rating] High-speed 16000 rpm spindle 16000 rpm spindle output/torque diagram 8000 rpm spindle output/torque diagram High performance at any speed Attention! Your ePaper is waiting for publication! . I get Alarm 20 NMI emergency stop and Alarm 204 Spindle controller malfunction. 93. On gear 2 machine get to 2200 rpm but deceleration to 0 rpm is taking over 10 second. Malf. tool change never gonna work cause spindle orientation isnt completed. List of Wearable Parts. Currently we are facing a problem with this one. Also under diagnosis --> SPindle drive, check what is written against Jun 27, 2018 · 360 spindle cooling malfunction alarm in yellow Metalworking- / Woodworking Tooling / Manual Machining; Mazak T32-3 Alarm 015 System Malfunction. Thanks for your input Lee. Also please check the 7 segment led status on power supply drive and spindle drive unit Turn off the main circuit breaker and then turn it back on. This Manual is published to assist experienced personnel on the operation, maintenance and/or programming of Mazak machine tools. When I'm manually running the machine, I can decelerate slowly and hit "spindle stop" with out an error, and the spindle still stops quickly. Mits has all of their manuals online. Together, we are the strongest Mastercam community on the web with over 56,000 members, and our online store offers a wide selection of training materials for all applications and skill levels. A bad SE-PW power supply 2. Mazak Alarm 366 SHIFTER CONTROLER MALFUNCTION. Jul 20, 2015 · The alarm still comes on. 1 bit or 3 bits high. Jun 4, 2018 · Hi Dave, The SQT "M" machines actually use the live-milling motor to rotate the turret. Thanks to the original post I looked at a thread unit and found both 'peck' and 'planet' tapping . 236 alarms is proxy alarm that aux shaft wasnt engaged properly. The 204 alarm is not controller specific, just tells you where to start looking. We got a #379 Battery Malfunction Alarm (TAIL) According to the manual it says to replace the battery, but we have no idea where the battery is located at. Main spindle Drive r0. Also changed the parameter that waits X# of seconds for the spindle to wind up, before it starts cutting. Attempt 2. 7 ( 3 ) 114. Now the problem is when I try to run the program, the spindle ramp up is really fast and is shutting off power to the machine. Sep 15, 2022. I have yet to ever see it pump automatically. 42 SPINDLE PARAMETER MALFUNCTION (****,*****,***). 398 (F198) OPERATION SWITCH MALFUNCTION The status of any of the switches below is abnormal before the power is turned on. Attempt 1. The book says power supply detected surge errors. Regards, Nov 5, 2012 · The tool arm would move, but it would only move up to the point where the spindle was supposed to release the tool. Mazak Alarm 204 SPINDLE CONTROLLER MALFUNCTION Description An alarm occurred at spindle controller. . 3 kg/cm, or . When I manually pump it, the alarm can be cleared. It looks like the arm is out of alignment just enough to touch the side of the spindle when it is changing the tool. e. Having an issue with this alarm. problem would not happen at different rpm. Also please check the 7 segment led status on power supply drive and spindle drive unit Mar 19, 2008 · 2003 Mazak SQT100MSY, fusion control, started getting "360 spindle cooling malfunction" once a day for about a week, just hit reset, no problem, wait for something to break? Now its broke, started by replacing the spindle cooling fan, made no difference. It says Error No: 44 Spindle malfunction 3. Yay! You see two of the pages here. Action Contact Mazak Technical Center or Technology Center with the information of the first item (Alarm No. Aug 5, 2016 · We are having intermittent problems with our QT20, alarm 15 system malfunction. After i have installed HEIDENHAIN Forum - HEIDENHAIN develops and manufactures linear encoders, angle encoder, rotary encoders, and CNC controls for rigorous positioning tasks. Here you find more information about Siemens AG – Aug 5, 2016 · Mazak QT20 Alarm 15 - system malfunction. It's a rapid change from one speed to another that seems to be the issue. you cam really screw things up if you make what might seem like a simple change but you might see a drastick change in the 4 digits in the visble deilf denoting the Compressed Hex <base16>. Would appreciate any help. Here you find more information about Siemens AG – Aug 12, 2022 · We replaced the battery on each of the MR-J2 units with the 3. What do you think? Nov 5, 2009 · Alarm #260. 3 encoder dimensions i would say that thing looks like what is sitting behind the brass pieces/limit switches in the first pic, post #10. thought someboby may have an idea. i would think it would be at least 30 psi +. I set the max rpms to 2500. INADEQUATE) and pressing the ATC ARM SEING ANGLE will move the arm a little but then have alarm 302 ATC ARM DRIVER MALF. No clue what's going on here. Oct 31, 2010 · Phase light was off when the Mazak tech showed it to me. 204 SPINDLE CONTROLLER MALFUNCTION. Check in the diagnosis screen. Moving the Z or orienting the spindle would trip that alarm again. Nov 14, 2022 · Your battery alarm is probably something like the turret-index, or tailstock/sub-spindle drives. 6 %âãÏÓ 2344 0 obj > endobj xref 2344 72 0000000016 00000 n 0000005376 00000 n 0000005630 00000 n 0000005762 00000 n 0000005914 00000 n 0000006058 00000 n 0000006726 00000 n 0000007136 00000 n 0000007297 00000 n 0000007472 00000 n 0000007538 00000 n 0000007709 00000 n 0000010181 00000 n 0000010901 00000 n 0000011058 00000 n 0000011132 00000 n 0000011283 00000 n 0000011386 00000 n Jul 27, 2011 · After resetting m/c the alarm often will not come on for hours or days, the service manual says that the pressure sensor is activated whenever pressure drops to below 0. Mazak T32-3 Alarm 015 System Malfunction. Jul 11, 2022 · Re: M41 SPINDLE MALFUNCTION 1. I advise you to contact Mazak. Pull force secures tool holders in the spindle. So far everything is normal. It has a Bijur #TMD-5 lube unit. If indeed the relocator thinks you have tilted or moved the machine, you will need a code to unlock it. It won't clamp if odd polarity isn't satisfied. I gather some infos here machine should be run at 200-225 volts Nov 19, 2017 · Hi all. 1999 IMPORTANT NOTICE Feb 12, 2009 · Thank you for your help, Gary. Jul 16, 2015 · hope that helps I cant get anything from Mazak on this BUT Mitsubishi solved the #22 alarm (wrong parameters) , I still have the 121 alarm Over travel and if I press the OT release button I get a new alarm 226 Spindle Gear Shift Sensor Malfunction. After turning NC power off, turn the main circuit breaker off and then turn it back on. qg ah jd gj is zw yb oi gk oi