ESIE15-13B Troubleshooting by Remote Controller
Service Diagnosis 165
4.28 Transmission System Abnormality (between Control and
Inverter PCB)
Remote
Controller
Display
LC
Applicable
Models
RZQG
Method of Error
Detection
Check whether transmission between control and inverter PCB is carried out normally.
Error Decision
Conditions
When the transmission is not carried out in a specified period of time or longer
Supposed
Causes
Defective outdoor fan motor
Defective of fan motor connector contact
Defective control and inverter PCB
External factor (Noise, etc.)
Troubleshooting
Connect the connector.
NO
Caution
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred.
YES
Replace the outdoor PCB
(A1P).
Replace the fan motor.
Inverter transmission
defective due to the error
of fan motor.
YES
NO
Is the fan motor
connector connected?
Disconnect the fan motor connector,
and turn ON again.
“
E7” is displayed?
(“
LC” is not displayed?)
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