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Troubleshooting by Indication on the Remote Controller
153
Remote Controller Display
H7
Applicable Models
VRVII Series
Method of Error Detection
Detection of abnormal signal from fan motor.
Error Decision Conditions
In case of detection of abnormal signal at starting fan
motor.
Supposed Causes
Abnormal fan motor signal (circuit error)
Broken, short or disconnection connector of fan motor
connection cable
Defective fan Inverter PCB