5-3
5
Display
Wireless
remote
controller
Lamp display
Preparing
P09
P01
P10
P12
P03
P05
P15
P19
P20
P22
P26
P29
P31
H01
F01
F02
F10
F04
F06
F07
F08
F12
F29
Ceiling panel connection failure
Indoor protection
Fan protective thermostat
Float switch
DC fan error.
Discharge temperature trouble
Open phase detected, AC power trouble
No gas
4-way valve locked
High cooling load
Outdoor fan trouble
Inverter compressor trouble (HIC PCB)
Inverter compressor trouble (MDC)
Simultaneous-operation multi control trouble
Compressor current failure (overload)
Indoor heat exchanger temperature sensor (E1)
Indoor heat exchanger temperature sensor (E2)
Indoor temperature sensor
Discharge temperature (TD)
Outdoor heat exchanger temperature (C1)
Outdoor heat exchanger temperature (C2)
Outdoor air temperature (TO)
Intake temperature (TS)
Indoor EEPROM error
Outdoor protection
Thermistor open circuit
Short circuit (indoor)
Thermistor open circuit
Short circuit (outdoor)
Activation of
protective
device
Thermistor
fault
Alter.
Simul.
Simul.
Alter.
Alternately
Outdoor EEPROM error
F31
ON:
Operation
Timer
Blinking: OFF:
Possible cause of malfunction
Alter.
SM830161Book.indb3SM830161Book.indb3 2008/06/039:10:262008/06/039:10:26