Daikin RZQG71L9V1, Service Manual

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ESIE15-13C Troubleshooting by Remote Controller
Service Diagnosis 145
4.17 Outdoor Unit Fan Motor Abnormality
Remote
Controller
Display
E7
Applicable
Models
RZQG
Method of Error
Detection
Abnormality of fan motor system is detected according to the fan speed detected by hall IC
when the fan motor runs.
Error 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 the error is generated 4 times, the system shuts down.
Supposed
Causes

Defective fan motor

The harness connector between fan motor and PCB is left in disconnected, or faulty
connector
 Fan does not run due to foreign matters tangled

Defective the outdoor PCB

Blowout of fuse
 External factor (Noise, etc.)
Troubleshooting
NO
YES
Ask repair so that the supply
voltage will be within the normal
range.
Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred.
Turn OFF the power supply (and wait
for 10 minutes).
Remove the connector for fan motor
once, and then connect it again.
A
Is the supply
voltage within the range 180
to 220 VAC ?