E7" Malfunction Of Outdoor Unit Fan Motor - Daikin R-410A Service Manual

Troubleshooting by Indication on the Remote Controller

4.18 "E7" Malfunction of Outdoor Unit Fan Motor

E7
Remote
Controller
Display
Applicable
AII outdoor unit models
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 14.5 seconds or more when the
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 PC board is left in disconnected, or faulty
Causes
! Fan does not run due to foreign matters tangled
! Clearing condition: Operate for 5 minutes (normal)
Troubleshooting
130
fan motor running conditions are met
connector
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
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
NO
SiBE39-402A
Connect the connector.
Remove the obstacle.
Replace the fan motor of
outdoor unit.
(V3076)
Troubleshooting