Symptom Cause Checkpoint Remedy
Ⅷ
The condenser fan continues to run.
The condenser fan
continues to run.
Temperature in the
control box is high.
YES
Is the condenser
fan stopped when the CBS
is cooled?
Closed WPS circuit
CBS OK
NO
NO
YES
Faulty WPS
Fault
CBS
*CBS: Control box temperature sensor
The condenser fan continues to run.
Water pressure
switch WPS is
short-circuited.
Ⅸ
Others
The remote
monitoring
(RM) has no
output.
Disconnection of
TH3
YES
YES
Is there any short
circuit or disconnection on the
secondary side of RM receptacle
(on ship)?
Is there any short
circuit or disconnection on the
primary side of RM
receptacle
(on unit)?
Standby until TH3 reset
Check the wiring on ship
⇒ Correct it.
NO
NO
NO
YES
Check the wiring.
⇒ Correct
Is fuse TH3
(automatic restore)
open?
Check for short circuit or disconnection between
X26A (I/O board) and RM receptacle
Check the I/O board. ⇒ Replace
Short-circuit of RM
circuit
Faulty controller
Short-circuit of RM
circuit on ship
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