SiBE811001EB
Troubleshooting
CONVENI-PACK
262
8.5.9 Outdoor Unit Thermistor Abnormality
Error Code
J3
,
J8
,
J9
Applicable
Models
LCBKQ3AV1
Method of Error
Detection
Error is detected from the temperature by each thermistor
Error Decision
Conditions
When a thermistor disconnection or short circuit occurs during operation
Supposed
Causes
Defective connection of thermistor
Defective thermistor
Defective outdoor unit PCB
Troubleshooting
∗
1. Error code, details of trouble and electric symbol
Refer to P.293.
LED Indications
J3
J8
J9
First digit
l l h h l l h l l h h l l h l l h h l l h
Second digit
l k h h h l l l k h l h h h l k h l h h l
Error code
Corresponding thermistor
LCBKQ3AV1
Electric symbol
Connector
J3
Discharge pipe thermistor
R2T
X12A
J8
Double tube heat exchanger inlet thermistor
R3T
J9
Double tube heat exchanger outlet thermistor
R5T
Check the connector connection (
∗
1)
Disconnect the thermistor from the
outdoor unit PCB and use a tester to
measure the resistance value.
Replace the thermistor.
Is the resistance normal?
NO
Replace the outdoor unit PCB.
YES
Connect the connector correctly.
Is the connection normal?
NO
YES
CHECK 13
Caution
Be sure to turn off the power switch before connecting or disconnecting connectors, or parts may be damaged.
CHECK 13