LG MODEL NO.LMX25964ST. COMP RUNNING BUT NOT FREEZING THE LOW SIDE IS READING HIGH AND THE HIGH IS READING LOW. COULD IT BE THE PCB BOARD OR THE MAIN BOARD?
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E000 fixing overheating E001 fixing assembly overheating E002 fixing assembly low temperature E003 post-standby fixing low temperature E007 fixing film rotation error E010 main motor rotation error E014 fixing motor rotation error E019 waste toner case full, waste toner case full sensor error E020 toner clogging between sub hopper and developing assembly E024 developing assembly connector disconnection E025 hopper motor, bottle motor error E032 NE controller counter error E064 power supply voltage error (high-voltage) E100 BD interval error E110 scanner motor error E191 communication error for high voltage power supply E202 CIS home position detection error E225 CIS light intensity error E227 reader unit power supply error E248 backup memory error E261 zero-cross signal error E315 image data error E400 feeder communication error E490 wrong DF type E500 finisher communication error E503 finisher internal communication error E505 finisher backup memory error E514 stack delivery/trailing edge assist motor error E519 gear change motor error E520 off-set motor error E530 rear alignment error E531 stapling error E532 stapler shift error E535 swing error E537 front alignment error E540 stack tray ascent error/upper tray ascent error E542 lower tray ascent error E577 paddle error E584 shutter error E590 punching error E591 puncher dust sensor error E592 punch horizontal registration sensor error E593 punch shift error E5F0 saddle paper positioning error E5F1 saddle paper folding error E5F2 saddle guide error E5F3 saddle alignment error E5F4 saddle rear stapling error E5F5 saddle front stapling error E5F6 saddle butting error E5F8 saddle connector error E5F9 saddle switch error E602 hard disk error E604 image memory error/shortage E609 hard disk error E610 herd disk coding key fault E674 fax board communication error E710 IPC initialization error E711 IPC communication error E713 communication error for finisher E716 communication error for pedestal/ communication error for 3-way unitA1 E717 communication error for NE controller E719 coin vendor error E730 PDL software error E732 scanner communication error E733 printer communication error E740 Ether board error E743 DDI communication error E744 language file/boot ROM error E745 TokenRing board error E746 accessories board wrong model error E748 controller board and SDRAM size mismatch E805 fan error
Regarding most common errors related to fixing section:
E000 The temperature of the fixing assembly is abnormally high. 0001 While startup control is under way, the reading of the main thermistor is less than 30 deg C continuously for 200 msec or more 1 sec after the start of power supply. While startup control is under way, the reading of the main thermistor is less than 70 deg C continuously for 200 msec or more 2 sec after the start of power supply. While startup control is under way, the reading of the main thermistor is less than 120 deg C continuously for 200 msec 6 sec after the start of power supply. The startup control does not end 30 sec after the start of power supply. Reset the condition in service mode: COPIER>FUNCTION>CLEAR>ERR. Replace the main thermistor. Replace the DC controller PCB
E001 The temperature of the fixing assembly is abnormally high. 0000 The reading of the main thermistor is 250 deg C or more continuously for 200 msec. 0001 The hardware circuit detects overheating of the main or sub thermistor for 200 msec. 0001 The hardware circuit detects overheating of the main or sub thermistor for 200 msec.
Reset the condition in service mode: COPIER>FUNCTION>CLEAR>ERR. Replace the main thermistor. Replace the DC controller PCB
E002 The rise in temperature of the fixing assembly is faulty. 0000 While startup control is under way, the reading of the main thermistor is less than 115 deg C continuously for 400 msec 1.3 sec after it has indicated 100 deg C. While startup control is under way, the reading of the main thermistor is less than 150 deg C continuously for 400 msec 1.3 sec after it has indicated 140 deg C. Reset the condition in service mode: COPIER>FUNCTION>CLEAR>ERR. Replace the main thermistor. Replace the DC controller PCB
E003 The fixing temperature is too low after a standby state. 0000 While regular temperature control is under way, the reading of the main thermistor is less than 140 deg C continuously for 400 msec or more. Reset the condition in service mode: COPIER>FUNCTION>CLEAR>ERR. Replace the main thermistor. Replace the DC controller PCB
E007 The rotation of the fixing film is faulty. 0000 While the fixing motor is rotating, the marker signal is not detected for 6 sec with the reading of the main thermistor indicating 100 deg C or more. Reset the condition in service mode: COPIER>FUNCTION>CLEAR>ERR. Replace the main thermistor. Replace the DC controller PCB REPLACE FIXING FILM ASSY(HEATER)
Is compressor running? If not check out start cap/relay. Aslo check for evaporator ice buildup due to defrost mechanism not working -possible bad defrost element..
pcb board main is the one thats accessed though the back of the washer behind the panel, the unit is usually at the bottom left side and has loads of wire and plus on it, it controls the motors and the heating element when told by the cyle board, it has switch-relays that turn things on at the times set for the setting you you to wash your items.
What youre experiencing is a common main control board failure.
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The circuit board is normally located at the back of the appliance, behind the metal grid along the bottom, unplug the appliance, unscrew the grid and the PCB mount, disconnect the pcb and swap with new one, then reassemble
Ther is a repair tip for that lg has had a lot of complaints about over heating lights and melted light covers, just google lg and find the part numbers
Did you check for voltage at the wiper fuse? My info says that fuse is hot all the time. Use a digital multimeter. Everything off, take a reading across battery posts, the generic spec for a full charge is around 12.6 volts. You should get close to same reading at the wiper fuse, hopefully. When checking voltage at the fuse, use chassis ground not the other leg of fuse. There are wiper relays, those are pcb relays, they are soldered into the fuse box, you can't pull them out. Your bcm is also involved with those relays. Your multifunction switch basically tells the bcm you turned on your wipers, then the bcm controls voltage or ground for the relays. You can see wire color for hi and lo speed voltage. Maybe a problem with fuse box or wiring circuit if voltage is low? I hope this was of some help?
I have the exact problem. My unit is 6 years old too - purchased in 2004. I have located, after cleaning the coil under the unit, this is not the source of the real problem. I took the upper cover off which houses the main logic board to find if I flicked the comp relay "compressor" the compressor then turned on. I took amp readings before and after they were .2 without the compressor running and 1.3 with the compressor on. The main board will need to be replaced. Personally I will try to locate the actual relay and replace it on the board if possible.
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