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9 For emergency
1
5
2
6
3
7
9
4
8
10
External buzzer circuit is shorted.
Ask a dealer for inspection.
Stop solenoid circuit is disconnected or shorted.
Ask a dealer for inspection.
Drive coil circuit of starter relay (SR) is discon-
nected or shorted. Ask a dealer for inspection.
Drive coil circuit of motor relay (ARMO) is
disconnected or shorted. Ask a dealer for inspection.
Drive coil circuit of pre-heater relay (ARPH) is
disconnected or shorted. Ask a dealer for inspection.
Drive coil circuit of evaporator electric heater relay A (A, B or
C for the multiple specification) is disconnected or shorted.
Ask a dealer for inspection.
Fuel pump has failed.
Ask a dealer for inspection.
Battery voltage has dropped.
Replace the battery if aged.
One of fuses F5, 6, 7 and 8 (or 13, 14, 15 and 16)
is blown. Replace the blown fuse (15 A) in the
control box.
If the trouble persists after replacement, ask a
dealer for inspection.
Economizer solenoid valve (SV8) has failed.
Ask a dealer for inspection.
Hot water solenoid valve WSV-A (WSV-A, -B or
-C for the multiple specification) has failed.
Ask your service agent to repair.
Engine clutch temperature sensor
is discon-
nected or shorted
.
Ask a dealer for inspection.
Abnormal buzzer
circuit.
Abnormal stop
solenoid circuit.
Abnormal starter
relay circuit.
Abnormal motor
relay circuit.
Abnormal pre-heater
relay circuit.
Abnormal evaporator
electric heater relay.
(Option)
Abnormal fuel
pump.
Evaporator fan
motor fuse has
blown.
Hot water solenoid
valve error
(Optional)
Hot water pump
relay error
(Optional)
Abnormal economizer
solenoid valve.
Abnormal engine
clutch temperature
sensor.
Battery voltage
drop
Blinking
Blinking
Blinking
Blinking
Blinking
On or
blinking
On or
blinking
On
On
On
On
On
Unit operation
continues.
Unit operation
continues.
Unit operation
continues.
Unit operation
continues.
Unit operation
continues.
Unit stops.
Unit stops.
Unit stops.
Unit stops.
Unit stops.
Unit stops.
(Operation continues
partially.)
Unit stops.
(Operation continues
partially.)
Trouble
Alarm
Code
Countermeasure
Alarm
Lamp
Unit
Condition
Condenser inlet solenoid valve (SV4) has failed.
Ask a dealer for inspection.
Liquid bypass solenoid valve (SV5) has failed.
Ask a dealer for inspection.
Electronic expansion valve EEV-A (EEV-A, B or C for
the multiple specification) has failed.
Ask a dealer for inspection.
Receiver pressurizing solenoid valve (SV7) has failed.
Ask your service agent to inspect.
Abnormal condenser
inlet solenoid valve.
Abnormal liquid
bypass solenoid valve.
Abnormal electronic
expansion valve.
Receiver pressurizing
solenoid valve error
(Multiple specification)
On or
blinking
On
On
Unit stops.
Unit operation continues.
(Operation stops at PTI.)
Unit stops.
Blinking
Unit operation
continues.
Blinking
Unit operation
continues.
Hot water pump relay has failed.
Ask your service agent to inspect.
Defrost solenoid valve (SV2-A, -B or -C) has
failed.
Ask your service agent to inspect.
Error of defrost
solenoid in room A,
B or C (Multiple
specification)
On
Unit stops.
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