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FusionModule1000B Air-Cooled IT Solution
Maintenance Guide
Fault
Category
Issue 02 (2017-01-10)
Alar
Symptom
m
Sever
ity
to start.
Major
The heating function
does not work.
The electric heater
circuit breaker is
switched off.
The electric heater
burns out.
Major
Water overflows.
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Possible
Troubleshooting
Cause
breaker or
circuit breakers.
indoor fan
circuit breaker
is disconnected.
The indoor fan
Check whether the main
contactor does
board sends signals to
not work
the indoor fan contactor
properly.
and whether the
contactor is damaged.
The indoor fan
Replace the indoor fan
is damaged.
by following instructions
in the Replacing an
Indoor Fan section in
the air conditioner user
manual.
The electric
Check whether the
heater
temperature switch of the
temperature
electric heater is faulty,
switch is
and replace the switch if
protected.
it is faulty.
The electric
Check the electric heater
heater circuit
circuit breaker.
breaker is
switched off.
The electric
Disconnect the power
heater burns out.
supply and check
whether the heater is
damaged by measuring
its resistance with an
ohmmeter.
The drainpipe is
Ensure that the drainpipe
not connected to
is correctly connected to
the pump, or the
the pump, and that the
lift of the
height of the drainpipe is
condensate
lower than 3.5 meters.
pump does not
match the height
of the pipes.
The water pump
Check the circuit breaker
circuit breaker
status and cable
or cable
connections.
connection is
faulty.
1. Check the alarms
The water pump
5 Alarms and Faults
70
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