-
63
-
1
5
2
6
3
7
9
4
8
10
9 For emergency
Alarm
Code
Trouble Countermeasures
Alarm
Lamp
Unit
Condition
E162
LP line SV shorcircuit
(Zone X)
The low pressure line solenoid valve is short-circuited.
Ask a dealer for inspection.
On or
Blinking
Unit operation
continues.*2
E163
HP line SV shorcircuit
(Zone X)
The high pressure line solenoid valve is short-circuited.
Ask a dealer for inspection.
On or
Blinking
Unit operation
continues.*2
E167
Condenser outlet SV
shorcircuit
The condenser outlet solenoid valve (SV4) is short-circuited.
Ask a dealer for inspection.
On Unit stops.
E250
EVT sensor failure
Broken wire or short-circuit on the evaporator outlet
temperature sensor.
Ask a dealer for inspection.
Blinking
Unit stops.
(Automatic
operation resume)
E266
EEV failure
The electric expansion valve is short-circuited.
Ask a dealer for inspection.
On Unit stops.
E301
Inverter overheat
The inverter overheat failure occurs.
Ask a dealer for inspection.
On or
Blinking
Unit stops.
(Automatic
operation resume
repeats up to 2
times)
E302
Inverter overcurrent
The inverter overheat failure, compressor rotation control
failure, or phase failure in the compressor circuit occurs.
Ask a dealer for inspection.
On or
Blinking
Unit stops.
(Automatic
operation resume
repeats up to 2
times)
E303
Inverter voltage high
A high-voltage failure occurs in the power system (or
commercial power supply).
Ask a dealer for inspection.
On Unit stops.
E304
Inverter voltage low
A low-voltage failure occurs in the power system (or
phase failure in the commercial power supply).
Ask a dealer for inspection.
Blinking
Unit stops.
(Automatic
operation resume)
E601
Intelligent power
module failure
A failure occurs in the inverter IPM.
Ask a dealer for inspection.
On Unit stops.
E602
FTH failure
The heat sink temperature sensor of the inverter has a
broken wire or is short-circuited.
Ask a dealer for inspection.
On Unit stops.
E607
DC-DC converter
failure
The step-down DC-DC converter malfunctions (output
stop), a low voltage failure occurs in the power system,
or a failure occurs in the communication with the power
system.
Ask a dealer for inspection.
On Unit stops.
E701
Liquis injection SV
failure
The liquid injection solenoid valve (SV3) is short-circuited.
Ask a dealer for inspection.
Blinking Unit stops.
*2: If a cooling cycle or a heating cycle cannot be formed during an abnormality, the operation is stopped.
*3: Depends on power system specifications.
(*3)
To Next Page
Loading...
