Sanyo CHDZ07263 - Page 116

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Self-Diagnosis Function Table
1. Self-Diagnosis Function Table
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• The outdoor unit maintenance remote controller can be used to check the alarm display.
The number of times that LED 1 and 2 blink on the outdoor unit control PCB can be used to check the alarm display.
(Refer to “Checking the LED 1 and 2 Alarm Display on the Outdoor Unit Control PCB.”)
Alarm code Alarm meaning
E06 Outdoor unit failed to receive serial communication signals from indoor unit.
E12 Automatic address setting start is prohibited.
E15
Automatic address setting alarm (too few units)
E16
Automatic address setting alarm (too many units)
E20
No indoor units at automatic address setting.
E24
Outdoor unit failed to receive communications from another outdoor unit.
E25
Outdoor unit address setting failure (duplication)
E26
Mismatch in outdoor unit quantity
E29
Outdoor unit failed to receive communication from another outdoor unit.
F04
Compressor 1 discharge temperature sensor trouble
F05 Compressor 2 discharge temperature sensor trouble
F06 Gas temperature sensor trouble at outdoor heat exchanger 1
F07
Liquid temperature sensor trouble at outdoor heat exchanger 1
F08 Outdoor air temperature sensor trouble
F12 Compressor intake temperature sensor trouble
F16
High-pressure sensor trouble
F31
Outdoor unit non-volatile memory (EEPROM) trouble
F17
Low-pressure sensor trouble
F23 Gas temperature sensor trouble at outdoor heat exchanger 2
F24
Liquid temperature sensor trouble at outdoor heat exchanger 2
H03 Compressor 1 CT sensor disconnected or short-circuit
H06 Low-pressure trouble
H08
Compressor 1 oil detection sensor (connection) trouble
H13 Compressor 2 CT sensor disconnected or short-circuit
H15 Compressor 2 discharge temperature sensor disconnected
H27
H31 HIC trouble alarm
Compressor 2 lock current alarm
L04 Outdoor unit address duplication
L10 Outdoor unit capacity not set
L17
Outdoor unit model mismatch
H11 Constant speed compressor 2 overcurrent alarm
H12 Constant speed compressor 2 lock current alarm
(DISCH1)
(DISCH2)
(EXL1)
(EXG1)
(EXL2)
(EXG2)
(AIR TEMP)
(HPS)
(LPS)
(SCT)
P03 Compressor 1 discharge temperature trouble
P04 High-pressure switch activated
P05 Reverse phase (or missing phase) detected, capacity mismatch
P14
O
2 sensor is activated.
P16 Compressor 1 overcurrent
P17
Compressor 2 discharge temp trouble
P22 Fan motor trouble
P26
Inverter compressor high-frequency overcurrent alarm
P29 Inverter compressor missing phase or lock alarm
SM830183-003WAYECO-i.indb4SM830183-003WAYECO-i.indb4 2010/03/0311:15:242010/03/0311:15:24