6-12
Water pressure
switch WPS will
not operate
・
Water pressure is low
・
Water
temperature is
excessively high
・
Water flow rate is low
The remote
monitoring RM
is not output.
Disconnection of
Fu9
Short-circuit of RM
circuit
YES
YES
Is the fuse Fu9 circuit
disconnected?
Replace the Fu9
Check the wiring on ship
⇒
Correct it
NO
NO
NO
YES
Check the wiring
⇒
Correct
Check the controller
⇒
Replace
Is there any short circuit or
disconnection on the secondary side of
RM junction port (on ship)?
Is there any short circuit or
disconnection on the primary side of
RM connection port (on unit)?
Check for short circuit or disconnection at round crimp type
terminal board: from No.23, 24, 25, 26 to RM connection
port or connector type terminal board: from CN26 to RM
connection port
・
Faulty controller
Short-circ of RM
・
circuit on ship
Symptom
Cause
Checkpoint
Remedy
The air cooling
evaporator fan
continues
rotating
Temperature in the
control box is high
Water pressure
switch WPS is
short-circuited
YES
YES
Is the condenser
fan stopped when the
CBS is cooled?
WPS has continuity
Check the water pressure,
water temperature, and
water volume
CBS OK
NO
NO
NO
YES
Faulty WPS
Faulty CBS
*CBS: Control box temperature sensor
The high pressure is
excessively high
The condenser fan continues rotating
Ⅷ
Does not perform water cooled operation
Ⅸ
Others
https://daikin-p.ru