22
2-3-1-6
ON: Blinking: OFF:
Abnormal
display
Wireless remote
controller
receiver display
Alarm contents Error location
Operation
Timer
Standby
Outdoor 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
Standby lamp
blinking
Auto
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
E16
• The total capacity of indoor units are too
high
• The number of indoor units is two or more
E24
E22
• Outdoor unit communication error • Check the outdoor unit control PCB
E29 • Outdoor unit communication error • Check the outdoor unit control PCB
F04
Operating
and timer
lamp blinking
alternately
• 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
F08 • Outdoor air temperature sensor (TO) trouble
• Check the outdoor air temperature sensor (TO)
• Check the outdoor unit control PCB
H01
Timer lamp
blinking
• Primary (input) overcurrent detected
• Check the refrigerant cycle (abnormal overload operation)
• Check the outdoor unit control PCB
• Check the power supply
H02 • PAM trouble
• Check the outdoor unit control PCB
• Compressor locked
• Check the power supply
H03 • Primary current CT sensor failure • Check the outdoor unit control PCB
• wrong wiring trouble
• Protection resistor on outdoor unit control PCB opened
• Check the inter-unit control wiring / power supply line
•
Substitution of an EMG connector on outdoor unit control PCB (CR)
Operating
and standby
lamps blinking
simultaneously
L18 • 4-way valve locked trouble / operation failure
• Check the 4-way valve
• Check the 4-way valve wiring
• Check the outdoor unit control PCB
Abnormal
display
Wireless remote
controller
receiver display
Alarm contents Error location
Operation
Timer
Standby
Outdoor Unit
P13
Timer and
standby
lamp blinking
alternately
• Refrigerant circuit error
• Valve error
• Wrong installation for refrigerant piping and wiring
• Check the refrigerant circuit
• Valve blockage
• Check the refrigerant piping and wiring installation
P15
Operating
and standby
lamp blinking
alternately
• Check the refrigerant cycle (gas leak)
• Trouble with the electronic expansion valve
• Valve (or refrigerant circuit) blockage
P16 • Compressor overcurrent trouble
• Insufficient gas level detected
• Layer short on the compressor
• Compressor locked
• Check the outdoor unit control PCB
P22
• Outdoor unit fan motor trouble
• Outdoor unit fan trouble
• Check the outdoor unit fan motor
• Check the outdoor unit control PCB
P29 • Inverter compressor trouble
• Layer short on the compressor
• Check the outdoor unit control PCB
• Check the inverter compressor wiring (Open phase/
Reverse phase)
• Compressor actuation failure (include lock)
• Valve (or refrigerant circuit) blockage
P31 • Indoor unit in group control trouble • Repair indoor unit which blinking alarm
P03
Operating
and standby
lamp blinking
alternately
• Compressor discharge temperature trouble
• Check the refrigerant cycle (gas leak)
• Trouble with the electronic expansion valve
• Check the discharge temperature sensor (TD)
P04 • Compressor discharge pressure trouble
• Check the refrigerant cycle
• Valve blockage
• Heat exchanger obstruction
P05
P07
• Open phase detected
• HIC(IPM) temperature trouble
• AC power supply trouble
• Che
• Check the outdoor unit control PCB
• Check the HIC
• Compressor locked
• Valve blockage
ck the power supply
• Check the reactor wiring
• Check the outdoor unit control PCB
• Check the compressor wiring
SM830283-00_欧州向け R32シングル36-71形TD&SM.indb 6 2020/01/29 19:52:17
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