Outdoor Unit Fan Motor Abnormality - Daikin RZQ Series FCQ20EVA Service Manual

SiME281501E

4.21 Outdoor Unit Fan Motor Abnormality

E7
Error Code
Applicable RZQ
Models
Method of Error
Abnormality of fan motor system is detected according to the fan revolution detected by hall IC
Detection when the fan motor runs.
 When the fan runs with speed less than a specified one for 6 seconds or more when the fan
Error Decision
Conditions
 When connector detecting fan revolution is disconnected
 When the error is generated 4 times, the system shuts down.
 Defective fan motor
Supposed
 The harness connector between fan motor and PCB is left in disconnected, or defective
Causes
 Fan does not run due to foreign matters tangled
 Defective outdoor unit PCB
 Blowout of fuse
 External factor (Noise, etc.)
Troubleshooting
Caution Be sure to turn off the power switch before connecting or disconnecting connectors, or parts may be damaged.
voltage within the normal
Turn OFF the power (and wait for 10
minutes).
motor connector correctly
connected to the outdoor
Service Diagnosis
motor running conditions are met
connector
Is the supply
NO
range?
YES
Is the fan
NO
unit PCB?
YES
A
Troubleshooting by Remote Controller
Ask repair so that the supply
voltage will be within the normal
range.
Properly connect the connector.
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