Daikin FTXZ25NV1B Service Manual page 181

SiMT041311E
Troubleshooting
Check No.01
Refer to P.181
Check No.19
Refer to P.189
[
At normal temperature:
97 Ω ± 10%
Service Diagnosis
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Check the connector for proper
connection.
OK?
YES
Check No.01
Is the resistance of
humidifying thermistor
within normal
range?
YES
Is the heater cooled
well after the power
turned off?
YES
Measure the resistance between
the heater connectors.
Is the heater resistance
appropriate?
]
YES
Turn on the power again and start
the humid heating trial operation.
Does the humidifying rotor
motor run?
YES
Does the air blow
out from the
hygroscopic fan?
YES
Does the air blow out
from the humidifying
fan?
YES
Is there foreign matter?
YES
NO
NO
NO
Cool it down.
NO
*At normal humid heating
operation instead of trial
operation, the ON timing of
the hygroscopic fan may
delay 20 min. at maximum.
NO
NO
NO
NO
*Include inside the humidifying
hose and indoor air supply filter.
Troubleshooting
Reconnect the connector
properly.
Replace the thermistor.
Replace the heater ASSY.
Replace the humidifying
rotor motor.
Go to Check No.19.
Refer to P9
troubleshooting.
Replace the outdoor unit
PCB.
Remove the foreign matter.
(R19690)
166