Daikin FUQ71BUV1B [173/381] Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred

Daikin FUQ71BUV1B [173/381] Caution be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred
ESIEN05-04 Troubleshooting
Part 3 Troubleshooting 3–11
33
4
5
1
Troubleshooting
Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.
Diagnose based on the
error code on remote
controller
Malfunction of fan motor
Check the magnetic switch
and aux. switch for fan
motor
Cleaning
Remove the disturbing
item
Cleaning of the heat
exchanger
After vacuum drying,
charge correct amount of
refrigerant
Check the pressure switch
Possible causes as follows:
Refrigerant overcharge
Mixing of air in refrigerant
system
Faulty pressure switch
Does the fan rotate?
Is the filter soiled?
NO
NO
Is
the operation
lamp of remote controller
flashing?
Is the
operation lamp
of indoor unit photo-sensing
section flashing?
Is the type of
remote controller wired or
wireless?
Is there any item
disturbing airflow?
Is the heat
exchanger soiled?
YES
NO
YES
YES
YES
YES
Wireless
YES
Heating: Indoor unit
Cooling: Outdoor unit
wired
[
]
(S1992)
NO
NO

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