Daikin EHYHBH05AAV3 Service Manual page 77

ESIE13-02A
1.4.1 Remote Controller Display Malfunction Code and Contents
Malfunction code
80 Inlet water temperature thermistor abnormality
81 Outlet water temperature thermistor abnormality
89 Water heat exchanger freeze-up abnormality
7H Water flow abnormality
8F Outlet water temperature too high
8H Outlet water temperature too high
AA Booster or back-up heater thermal protector is open
AC Booster heater thermal protector is open
AH Warning tank disinfection function not completed correctly
A1 Hydro-box PCB abnormality
CJ Room temperature thermistor error
C0 Flow switch abnormality
C4 Heat exchanger thermistor abnormality
EC Domestic hot water temperature too high
HC Domestic hot water temperature thermistor abnormality
H1 External temperature sensor error
E1 Outdoor unit PC board malfunction
E3 High pressure malfunction (outdoor unit)
E4 Abnormality of low pressure (outdoor)
E5 Compressor motor lock malfunction
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)
J1 Malfunction of pressure sensor
J3 Malfunction of discharge pipe temperature sensor system
(outdoor unit)
J3 Malfunction of discharge pipe temperature sensor system
(outdoor unit)
J5 Suction pipe thermistor malfunction
J6 Malfunction of heat exchanger temperature sensor system
(outdoor unit)
J7 Malfunction of subcooling heat exchanger thermistor
(outdoor unit)
J8 Malfunction of liquid pipe thermistor (outdoor unit)
L1 Outdoor PC board malfunction
L4 Radiation fin temperature rise
L5 Instantaneous over current
L8 Electronic thermal
L9 Stall prevention
LC Malfunction of transmission system (between control PCB
and inverter PCB)
P1 Open phase or voltage unbalance
P4 Abnormal radiation fin temperature sensor (outdoor unit)
PJ Failure of capacity setting (outdoor unit)
Contents/Processing
77
Troubleshooting
Remarks
Failure of low pressure sensor system. Check if
the stop valve is open.
Compressor motor lock, incorrect wiring.
Malfunction of inverter cooling
Possibility of compressor motor grounding or
shortage of motor winding
Possibility of compressor overload, open circuit
in compressor motor
Possibility of compressor seizing
Either capacity data is set incorrectly, or
capacity has not been set for the data IC
Part 4 – Troubleshooting
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3
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