Service manual

ESIE03–01 Troubleshooting
Part 3 – Troubleshooting 3–13
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1.7 Remote Controller Display Malfunction Code and Contens
Malfunction
Code
Contents/Processing Remarks
A1 Failure of PC board ass'y for indoor unit
A3 Malfunction of water level system
A6 Indoor unit fan motor overload / overcurrent / lock
AF Malfunction of water level system Float switch is OFF during indoor unit stops.
AJ Failure of capacity setting Either capacity data is set incorrectly, or
capacityhas not been set for the data IC
C4 Malfunction of heat exchanger temperature sensor system
C9 Malfunction of suction air temperature sensor system
CJ Malfunction of remote control temperature sensor system The remote controller thermistor does not
function, but the system thermostat opera-
tion is possible.
E0 Actuation of safety device (outdoor unit)
E1 Outdoor P.C. board malfunction
E3 High pressure malfunction (outdoor unit)
E4 Low pressure malfunction (outdoor unit)
E6 Compressor overcurrent
E9 Malfunction of electronic expansion valve (outdoor unit)
F3 Discharge pipe temperature malfunction (outdoor unit)
F6 Heat exchanger temperature abnormal
H3 Failure of high pressure switch (outdoor unit)
H9 Malfunction of outdoor air temperature sensor system
(outdoor unit)
(See Note below)
J2 Malfunction of current sensor system
J3 Malfunction of discharge pipe temperature sensor system
(outdoor unit)
J6 Malfunction of heat exchanger temperature sensor system
(outdoor unit)
(See Note below)
PJ Failure of capacity setting (outdoor unit) Either capacity data is set incorrectly, or
capacity has not been set for the data IC
U0 Malfunction of suction pipe temperature
U1 Reverse phase Switch R.S.T. of the 3-phase power supply.