Panasonic 2WAY Multi - P22 Outdoor Unit Fan Error

IV–101
P22 Outdoor Unit Fan Error
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Error detection method
● An Outdoor Unit Fan Trouble is assumed when outdoor fan (fan motor) rpm and drive has exceeded the
following conditions 5 consecutive times in 1 hour.
• When outdoor fan (fan motor) revolution is not detected.
• When an overcurrent is detected in the outdoor fan circuit.
● When the power board has been incorrectly installed.
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Troubleshooting
1
Power board
1-1
Is the power board correctly installed?
POW-GH850M2E
Yes 2-1
No
Replace it with the
correct board.
2
Outdoor fan
motor
2-1
Any outdoor fan motor locking, broken wires, poor contact,
or short circuits? (Coil resistance should be around 2-6Ω for
each phase.)
Yes
Replace outdoor fan
motor
No 2-2
2-2
Is the fan motor connection position correct on the power
supply board?
Is FM1 connected to FM1, and FM2 to FM2?
(Confi rm that 3P black and 5P black connectors are paired
together.)
OK 2-3
NG Correct the connection
2-3
Replace power board and keep under observation.
If P22 reoccurs, replace outdoor fan motor.
● For work procedure for replacing outdoor main board, see “5. Reference Document”.
● For board and Electrical Wiring Diagram, see Chapter 6.
• Outdoor main board: page VI-2
• Outdoor power board: page VI-3
• Converter board: VI-4
• Indoor control board for DC motor models: page VI-5
• Outdoor Unit Electrical Wiring Diagram: page VI-6 *Reference (Electrical Circuit Diagram A-B-2-3)
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