Daikin RZQ100B8V3B Service Manual page 215

ESIE05-03
3.7 Malfunction of Outdoor Unit Fan Motor (E7)
E7
Remote Controller
Display
Method of Abnormality of fan motor system is detected according to the fan speed detected by hall IC when the
Malfunction fan motor runs.
Detection
Malfunction
Decision
Conditions
Supposed Causes
Troubleshooting
Part 3 – Troubleshooting
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.
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)
Are fan motor
connectors
disconnected?
NO
Is there
any foreign matter
around the fan?
NO
Can
the fan be turned
smoothly with hand after
disconnecting the
fan motor
connector?
YES
Check 5.9.2
Check on connector
of fan motor
(power supply cable)
Check 5.9.3
Check for pulse input for
number of rotations on the
outdoor unit
PC Board.
YES
YES
YES
NO
NO
Error Codes: Outdoor Units
Connect the connector.
Remove the foreign matter.
Replace the outdoor unit fan motor.
Replace the outdoor unit fan motor.
Replace the outdoor unit PC board.
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