236
ON: Blinking:
OFF:
Abnormal
display
Wireless remote
controller
receiver display
Alarm contents
Error location
O
p
er
at
ion
Timer
Stand
by
Outdoo
r Unit
E12
Operating lamp
blinking
Auto address setting start is prohibited
Check the inter-unit control wiring
E14
Duplication of main unit in group control
Check the inter-unit control wiring
Check the indoor unit combination
E15
Automatic
address
alarm
The total capacity of indoor units
are too low
Check the inter-unit control wiring
Check the indoor and outdoor unit control
PCB
Address re-setting after correcting the
combination of units
E16
The total capacity of indoor units
are too high
The numbers of indoor units are
two or more
Check the inter-unit control wiring
Check the indoor and outdoor unit control
PCB
Standby lamp
blinking
E20
No indoor unit connected
E24
Outdoor unit communication error
Check the outdoor unit control PCB
E29
Outdoor unit communication error
Check the outdoor unit control PCB
F04
Compressor discharge temperature sensor
(TD) trouble
Check the compressor discharge
temperature sensor (TD)
Check the outdoor unit control PCB
F06
Outdoor heat exchanger temperature sensor
(C1) trouble
Check the outdoor unit heat exchanger
temperature sensor (C1)
Check the outdoor unit control PCB
F07
Outdoor heat exchanger temperature sensor
(C2) trouble
Check the outdoor unit heat exchanger
temperature sensor (C2)
Check the outdoor unit control PCB
F08
Operating and
timer lamp blinking
alternately
Outdoor air temperature sensor (TO) trouble
Check the outdoor air temperature sensor
(TO)
Check the outdoor unit control PCB
F12
Compressor suction temperature sensor (TS)
trouble
Check the compressor suction temperature
sensor (TS)
Check the outdoor unit control PCB
F16
High Pressure Sensor Trouble
Check the high pressure sensor
Check the outdoor unit control PCB
F23
Outdoor Gas Pipe Temperature Sensor Trouble
Check the outdoor gas pipe temperature
sensor
Check the outdoor unit control PCB
F24
Outdoor Liquid Pipe Temperature Sensor
Trouble
Check the outdoor liquid pipe temperature
sensor
Check the outdoor unit control PCB
F31
Operating and
timer lamp blinking
alternately
Outdoor unit EEPROM trouble
Check the outdoor unit EEPROM
Check the outdoor unit control PCB