Specifications
Troubleshooting SiBE04-624
200 Service Diagnosis
Troubleshooting
Check connector for proper
connection
Is it OK?
Is it OK?
Cool
it down.
Check No.5
Outdoor fan system
check
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
Measure resistance between
heater connectors
Turn on the power supply again and
run the machine in humidification
test operation mode.
Is the heater resistance
appropriate?
Does the humidification
rotor motor run?
Does the
air blow out from dehumidification
fan?
Does the air blow
out from the humidification
fan?
Is there foreign material?*
Check No.2
Is the resistance of
humidification thermistor within
normal range?
Check No.2
Thermistor resistance check
Is the heater cooled
well after the power supply
turned off?
Reconnect properly.
*The humidification
thermistor is exclusive for
fan outlet temperature.
Replace the thermistor.
Replace heater unit.
Replace the thermistor.
Replace humidification
rotor motor.
*At humidification mode
instead of humidification
test mode, the ON timing
of dehumidification fan is
delayed 20 min. maximum.
To "P9" troubleshooting
Remove foreign material.
Replace outdoor unit PCB.
*Include inside the humidification
hose and indoor air intake filter .
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
(R6024)
At normal temperature:
44.6Ω±10%
[ ]
Check No.2
Refer to P.202
Check No.5
Refer to P.203










