Troubleshooting by Remote Controller
SiBE281013
126
Service Diagnosis
4.16 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 ?
