Daikin RZQ125B7W1B [179/326] Overview of error codes

Daikin RZQ140B7W1B [179/326] Overview of error codes
ESIE05-03 Troubleshooting
Part 3 Troubleshooting 3–31
33
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5
1
1.7 Overview of Error Codes
Malfunction Code Contents/Processing Remarks
A1 Failure of PC board ass’y for indoor unit
A3 Malfunction of drain water level system
A6 Indoor unit fan motor overload / overcurrent / lock (Note 1)
A7 Swing flap motor lock
AF Abnormal drain water level Activation of float switch during compressor off.
AJ Failure of capacity setting Either capacity data is set incorrectly, or capacity
has not been set for the data IC
C4 Malfunction of heat exchanger temperature
sensor system
C5 Malfunction of gas piping temperature sensor
system
C9 Malfunction of suction air temperature sensor
system
CJ Malfunction of remote control air temperature
sensor system
Failure of remote controller air thermistor.
Unit can be operated by indoor unit thermistor.
CC Malfunction of humidity sensor system
E1 Outdoor unit PC board malfunction
E3 High pressure malfunction (outdoor unit)
E4 Abnormality of low pressure (outdoor) Failure of low pressure sensor system.
Check if the stop valve open.
E5 Compressor motor lock malfunction Compressor motor lock, incorrect wiring.
E7 Outdoor fan motor lock or outdoor fan
instantaneous overcurrent malfunction
E9 Malfunction of electronic expansion valve
(outdoor unit)
F3 Discharge pipe temperature malfunction
(outdoor unit)
H3 Failure of high pressure switch (outdoor unit)
H9 Malfunction of outdoor air temperature sensor
system (outdoor unit)
(Note 2)
J3 Malfunction of discharge pipe temperature
sensor system (outdoor unit)
J5 Suction pipe thermistor malfunction Failure of suction pipe thermister system
J6 Malfunction of heat exchanger temperature
sensor system (outdoor unit)
(Note 2)
JC Malfunction of suction pressure sensor Failure of suction pressure sensor system
L4 Radiation fin temperature rise Malfunction of inverter cooling
L5 Instantaneous over current Possibility of compressor motor grounding or
shortage of motor winding
L8 Electronic thermal Possibility of compressor overload, open circuit
in compressor motor
L9 Stall prevention Possibility of compressor seizing
LC Malfunction of transmission system (between
control PCB and inverter PCB)
ESIE05-03.book Page 31 Wednesday, April 6, 2005 4:09 PM

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