Daikin LXE10E-A Service Manual page 154

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Symptom
The air cooling Water pressure
evaporator fan switch WPS will
continues not operate
・Water pressure is low
rotating
・Water
temperature is
excessively high
・Water flow rate is low
Temperature in the
control box is high
Water pressure
switch WPS is
short-circuited
The remote
monitoring RM Disconnection of
is not output. Fu6
Short-circuit of RM
circuit
Faulty controller
Short-circ of RM
circuit on ship
Cause
The condenser fan continues rotating
The high pressure is
excessively high
Is the condenser
fan stopped when the
CBS is cooled?
WPS has continuity
Is the fuse Fu6 circuit
disconnected?
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 the controller⇒Replace
6-12
Checkpoint
YES
NO
YES
*CBS: Control box temperature sensor
NO
YES
NO
YES
NO
YES
NO
YES
Check for short circuit or disconnection at round crimp type
terminal board: from No.23, 24, 25, 26 to RM connection
NO
port or connector type terminal board: from CN26 to RM
connection port
Remedy
Check the water pressure,
water temperature, and
water level
CBS OK
Faulty WPS
Faulty CBS
Replace the Fu6
Check the wiring on ship
⇒Correct it
Check the wiring
⇒Correct