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Check
code
[P22]
Outdoor
LED display
Check and troubleshooting
(Item without special mention Indicates part of outdoor unit.)
[Fan system error]
A single operation of the outdoor fan can be confirmed by handling the
service switch SW800, SW801. Use this method to check whether
there is trouble or not on the fan.
[Method]
(1) Check D800 to D804 are turned off (or rapid flashing) and D805 is
turned on. When D800 to D801 flash slowly or D805 flashes, push
and hold SW800 and SW801 for 5 seconds or more simultaneously.
In the result, D800 to D804 are turned off (or rapid flashing) and
D805 changes from flashing to lighting.
(2) Push and hold SW800 for 5 seconds or more. D804 changes to
slow flashing.
(3) Push SW800 and stop it at LED display of the following “Outdoor fan
single operation”.
(4) Push SW801 and then stop it at the position where D805 flashes
rapidly.
(5) Push and hold SW801 for 5 seconds or more. In the result, D804
changes to slow flashing, D805 changes to lighting and the fan
rotates.
(6) The fan stops when pushing long SW800 and SW801 for 5 seconds
or more simultaneously or when 2 minutes passed.
* If an unknown point generated on the way of the operation, push and
hold SW800 and SW801 for 5 seconds or more simultaneously. You
can return to the item (1).
Outdoor fan single
operation
D800 D801 D802 D803
D804
: ON,
: OFF
:
Rapid flashing
Single operation check for outdoor fan
Check outdoor P.C. board.
Defect → Replace
Replace fan motor.
Check wiring construction.
Ask repair of power supply.
YES
NO
Is there no problem on power supply voltage?
(AC 198 to 264V)
Does the fan rotate without trouble when rotating
shaft of fan motor with hands during power-OFF?
Is there no problem on coil resistance of fan motor?
Between red and white lead wire : 12 to 20Ω
Between white and black lead wire : 12 to 20Ω
Between black and red lead wire : 12 to 20Ω
YES
NO
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