Symptom Cause Checkpoint Remedy
Ⅷ
The air cooled condenser fan continues rotating.
The air cooling
evaporator fan
continues rotating.
Temperature in the
control box is high.
YES
Is the condenser
fan stopped when the CBS
is cooled?
WPS has continuity.
CBS OK
NO
NO
YES
Faulty WPS
Fault
CBS
＊CBS: Control box temperature sensor
The condenser fan continues rotating.
Water pressure
switch WPS is
short-circuited.
Ⅸ
Others
The
remote monitoring
RM is not output.
Disconnection of
TH3
YES
YES
Is there any short
circuit or disconnection on the
secondary side of RM connection
port (on ship)?
Is there any short
circuit or disconnection on the
primary side of RM connection
port (on unit)?
Is the fuse Fu9 circuit
disconnected?
Standby until TH3 reset
Check the wiring on ship
⇒ Correct it.
NO
NO
NO
YES
Check the wiring.
⇒ Correct
Check for short circuit or disconnection between
X26A (I/O board) and RM connection port
Check the controller. ⇒ Replace
Short-circuit of RM
circuit
Faulty controller
Short-circuit of RM
circuit on ship
2-53
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