E7" Outdoor Unit: Malfunction Of Outdoor Unit Fan Motor - Daikin VRV II RXYQ8MY1K Service Manual

Troubleshooting by Indication on the Remote Controller
" E7 " Outdoor Unit:
3.18
E7
Remote
Controller
Display
Applicable RXYQ8~30MY1K (E), YLK (E)
Models
Method of Malfunction of fan motor system is detected according to the fan speed detected by hall IC
when the fan motor runs.
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
Troubleshooting
172
Malfunction of Outdoor Unit Fan Motor
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)
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Connector
of fan motor is
disconnected.
NO
Harness connector
between compressor
inverter PC board and fan
inverter PC board
(A2P, A3P) is
disconnected.
NO
Is there any
obstacle around
the fan?
NO
Can the fan
be turned smoothly
with hand after disconnect
the connector of
fan motor?
YES
1A
YES
YES
YES
NO
Si39-502A
Connect the connector.
Connect the harness
connector.
Remove the obstacle.
Replace the fan motor of
outdoor unit.
(V3076)
Troubleshooting