Si20-701_B Troubleshooting by Remote Controller
184
3.34
E7
Outdoor Unit Fan Motor
Abnormality
Remote Controller Display
E7
Applicable Models
RZQ-K/H, RZQ(S)-B/C, RZQG, RZR-KU/HU
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
îš„ When the fan runs with speed less than a specified
one for 15 seconds or more when the fan motor
running conditions are met
îš„ When connector detecting fan speed is disconnected
îš„ When the error is generated 4 times, the system shuts
down.
Supposed Causes
îš„ Defective fan motor
îš„ The harness connector between fan motor and PCB is
left in disconnected, or defective connector
îš„ Fan does not run due to foreign matters tangled
îš„ Defective outdoor unit PCB
îš„ Blowout of fuse
îš„ External factor (Noise, etc.)
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