E7" Malfunction Of Outdoor Unit Fan Motor - Daikin FCQ18PVJU Service Manual

SiUS28-902_a
E7
3.18 " " Malfunction of Outdoor Unit Fan Motor
E7
Remote
Controller
Display
Applicable
RZQ18~30PVJU
Models
Method of
Malfunction of fan motor system is detected according to the fan speed detected by hall IC
Malfunction when the fan motor runs.
Detection
 When the fan runs with speed less than a specified one for 6 seconds or more when the fan
Malfunction
Decision
 When malfunction is generated 4 times, the system shuts down.
Conditions
 Malfunction of fan motor
Supposed
 The harness connector between fan motor and P.C.B. is left in disconnected, or faulty
Causes
 Fan does not run due to foreign matters tangled
 Clearing condition: Operate for 5 minutes (normal)
Troubleshooting
Troubleshooting
motor running conditions are met
connector
Be sure to turn off the power switch before connecting or disconnecting
Caution
the connector, or parts could be damaged.
Connector
of fan motor 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
(P.158)
Check 3
Check on connector of fan
motor
Are the
resistances between pins
above judgement?
YES
Troubleshooting by Indication on the Remote Controller
YES
YES
NO
NO
Connect the connector.
Remove the obstacle.
Replace the fan motor of
outdoor unit.
Replace the fan motor of
outdoor unit.
Replace the outdoor unit
P.C.B.
108