Daikin BRC7E61W Service Manual Page 164

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SiE25-110 Troubleshooting by Remote Controller Display / LED Display
Troubleshooting 155
6.19 Malfunction of Outdoor Unit Fan Motor
Remote
Controller
Display
E7
Outdoor Unit LED
Display
A 9 1 3 2 3 3 4 4 4
Applicable
Models
RZP71~140D
Method of
Malfunction
Detection
Abnormality of fan motor system is detected according to the fan speed detected by hall IC
when the fan motor runs.
Malfunction
Decision
Conditions
When the fan runs with speed less than a specified one for 15 seconds or more
when the fan motor running conditions are met
When connector detecting fan speed is disconnected
When malfunction is generated 4 times, the system shuts down.
Supposed
Causes
Malfunction of fan motor
The harness connector between fan motor and PC board is left in disconnected, or faulty
connector
Fan does not run due to foreign matters tangled
Clearing condition: Operate for 5 minutes (normal)
Troubleshooting
Replace the outdoor unit fan motor.
Connect the connector.
Remove the foreign matter.
YES
NO
Are fan motor
connectors
disconnected?
Replace the outdoor unit fan motor.
NO
YES
Is the pulse input?
Check No. 11
Check for pulse input
for number of rotations
on the outdoor unit
PC board.
Replace the outdoor unit PC board.
YES
NO
NO
YES
Is there
any foreign matter
around the fan?
Can the fan be
easily rotated by hand?
(S2584)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
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