Aircon Blinking Lights and their Malfunction Codes Disclaimer: These error codes are provided based on the best of our knowledge, the same set of error codes may differ depending on the different models. We are not liable for any mistakes in the malfunction codes: When your "timer" light blinks, it is not that your timer is faulty. Most manufacturer uses blinking LED lights to indicate a faulty air conditioning system. DAIKIN error codes: AO Indoor Error of external protection device A1 Indoor PCB defect A3 Indoor Malfunction of drain Level control system A5 Indoor Freeze-up prevention A6 Indoor Fan motor lock, Overload A7 Indoor Malfunction of swing motor flap A9 Indoor Malfunction of EEV AF Indoor Drain level above limit (clogging) AJ Indoor Malfunction of capacity set device C3 Indoor Malfunction of drain thermistor C4 Indoor Malfunction of liquid pipe thermistor C5 Indoor Malfunction of gas pipe thermistor C7 Indoor Lower louvre limit switch/motor C9 Indoor Malfunction of air thermistor CC Indoor Malfunction of moisture sensor CA Indoor Malfunction of discharge air thermistor CJ Indoor Malfunction of remote control thermistor CE Indoor Malfunction of radiant heat sensor E0 Outdoor Activation of outdoor safety device E1 Outdoor PCB defect E3 Outdoor Activation of high pressure switch E4 Outdoor Activation of low pressure switch E5 Outdoor Activation of compressor over heat protection E5 Outdoor Compressor motor lock E6 Outdoor Compressor start up error E6 Outdoor Standard compressor lock/overcurrent E7 Outdoor Fan motor lock, Overload E8 Outdoor Inverter input overcurrent E9 Outdoor Malfunction of EEV EA Outdoor Four way valve defective. F3 Outdoor Abnormal discharge pipe temperature F6 Outdoor Refrigerant overcharged FC Outdoor Low pressure drop. H3 Outdoor High pressure switch defect H4 Outdoor Low pressure switch defect H6 Outdoor Compressor motor position detection sensor error H7 Outdoor Fan motor position detection sensor error H8 Outdoor Current transformer error H9 Outdoor Malfunction of air thermistor J1 Outdoor Malfunction of pressure sensor J2 Outdoor Current sensor malfunction J3 Outdoor Malfunction of discharge pipe thermistor J4 Outdoor Low pressure saturation thermistor J5 Outdoor Malfunction of suction pipe thermistor J6 Outdoor Malfunction of heat exchanger thermistor J7 Outdoor Malfunction of heat exchanger liquid thermistor J8 Outdoor Malfunction of liquid pipe thermistor J9 Outdoor Malfunction of gas pipe thermistor JA Outdoor Malfunction of discharge pipe pressure sensor JC Outdoor Malfunction of suction pipe pressure sensor JH Outdoor Malfunction of oil temperature sensor L0 Outdoor Malfunction of inverter L3 Outdoor Electronic component box overheat L4 Outdoor Inverter cooling defect L5 Outdoor Comp motor ground fault, Short circuit L6 Outdoor Compressor motor grounding/short circuit L7 Outdoor Total input overcurrent L8 Outdoor Comp overload, Motor disconnected L9 Outdoor Compressor lock LA Outdoor Power unit malfunction LC Outdoor Transmission between inverter & outdoor P1 Outdoor Inverter over ripple P3 Outdoor Thermistor abnormality P4 Outdoor Power unit humidity sensor malfunction PJ Outdoor Failure of capacity set resistor U0 System Shortage of refrigerant or EEV failure U1 System Negative phase, Open phase U2 System Power supply insufficient U3 System Wiring check operation not executed U3 System Mismatch of indoor and outdoor units (Split only) U4 System Transmission between indoor units U5 System Transmission to remote controller U6 System Malfunction transmission outdoor to BP unit U7 System Transmission between outdoor units U7 Outdoor Malfunction between outdoor boards(RMX/RX RK) U8 System Transmission between master & slave R/C U9 System Transmission error between indoor to outdoor UA System Excessive number of fancoils UC System Address duplication of central controllers UE System Transmission error between indoor & central UF System Refrigeration system not set/wiring - piping UH System Terminals 1 and 3 crossed (Split/Skyair) Mitsubishi (Mr Slim) error codes: The Mr. Slim error code is represented by the number of blinks on the LED (light emitting diode). Samsung error codes: The Samsung wall mounted air conditioner error code is represented by blinks on the different LEDs (light emitting diode): LG : LG error code is a 2 digit error code (eg. 48), wired remote controller and some of the wall mounted aircon models provide a display to show this error codes. However, if the aircon/remote controller does not come with any displays, the error code will be a combination of the blinking LED as seen below. An error code of 48 will have the LEFT LED (2nd digit) blinking 8 times and the STAR LED (1st digit) blinking 4 times. Hitachi (Ras-model) error codes: The ras model error code is represented by the number of blinks on the LED (light emitting diode): Sanyo (inverter, sap kmv series) error codes: The above model error code is represented by the combination of blinks and lighted LED on the 3 different LED (light emitting diode), operation, swing and timer. * blinking 0 lighted up Fujitsu (hard wired series) When EE:EE is displayed, press "energy save" and "zone control" simultaneously for about 5 secs. The lcd display will display the relevant error code. Panasonic (Inverter) error codes: More manufacturer malfunction codes coming....we welcome any contribution of malfunction codes from helpful technicians. Please send to aircon@astiquer.com |
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Call Kevin @ 90674867
Aircon Astiquerair conditioning Specialist
biz. reg. no: 52959937J
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Instruction to retrieve Panasonic error code
using the remote controller:
1) Turn off the aircon using the remote
controller.
2) Use a sharp object to press the "Check"
button. "00" will first appear.
3) Point the remote controller at the aircon
and press the "timer" up/down buttons to
toggle the error code.
4) once the correct error code is retrieved,
the aircon will beep.
using the remote controller:
1) Turn off the aircon using the remote
controller.
2) Use a sharp object to press the "Check"
button. "00" will first appear.
3) Point the remote controller at the aircon
and press the "timer" up/down buttons to
toggle the error code.
4) once the correct error code is retrieved,
the aircon will beep.
Instruction to retrieve Daikin error code using
the remote controller:
1) If your DAIKIN remote controller comes with a
"test" button, use it. Otherwise press the
Temperature UP, Temperature DOWN and the
MODE buttons all at the same time.
2) You will see 00 on the remote controller. The
first "0" will be blinking.
Stand facing the particular air conditioner you
wanted to test.
Now press the Temperature UP button, "0" will
become "A" and the air conditioner will respond
with either a single beep or double beep.
Carry on pressing the Temperature UP button
and listen to the beeping sound, stop when you
hear a double beep.
For example: it is now showing "C0".
Now press the MODE button, the second "0" will
be blinking.
Now press the Temperature UP button, "0" will
become "1" and the air conditioner will respond
with either a double beep or a continuous beep.
The continuous beep is the error code. For
example "C4", it means it is a faulty liquid pipe
thermistor.
the remote controller:
1) If your DAIKIN remote controller comes with a
"test" button, use it. Otherwise press the
Temperature UP, Temperature DOWN and the
MODE buttons all at the same time.
2) You will see 00 on the remote controller. The
first "0" will be blinking.
Stand facing the particular air conditioner you
wanted to test.
Now press the Temperature UP button, "0" will
become "A" and the air conditioner will respond
with either a single beep or double beep.
Carry on pressing the Temperature UP button
and listen to the beeping sound, stop when you
hear a double beep.
For example: it is now showing "C0".
Now press the MODE button, the second "0" will
be blinking.
Now press the Temperature UP button, "0" will
become "1" and the air conditioner will respond
with either a double beep or a continuous beep.
The continuous beep is the error code. For
example "C4", it means it is a faulty liquid pipe
thermistor.
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