![background image](http://html1.mh-extra.com/html/daikin/lryeq16ay1/lryeq16ay1_service-manual_3234341223.webp)
SiBE811001EB
Troubleshooting
CONVENI-PACK
222
Troubleshooting
∗
1. Error code, details of trouble and electric symbol
Refer to P.293, 294.
Error code
Corresponding thermistor
LRYEQ16AY1
Electric symbol
Connector
J3
Discharge pipe (M1C) thermistor
R31T
X29A
Discharge pipe (M2C) thermistor
R32T
Discharge pipe (M3C) thermistor
R33T
J4
Air conditioning suction pipe thermistor
R22T
X30A
J5
Refrigeration suction pipe thermistor
R21T
J6
Outdoor unit heat exchanger outlet thermistor
R6T
J9
Plate type heat exchanger outlet thermistor
R4T
There are multiple corresponding
thermistors. Use the outdoor unit PCB
monitor mode to check which
thermistor is affected.
Check the connector connection (
∗
1).
Disconnect the thermistor from the
outdoor unit PCB and use a tester to
measure the resistance value.
YES
Replace the thermistor.
Is the resistance normal?
NO
Is the error code
"
J3
"?
Replace the outdoor unit PCB.
YES
Connect the connector correctly.
Is the connection normal?
NO
NO
YES
Caution
Be sure to turn off the power switch before connecting or disconnecting connectors, or parts may be damaged.
CHECK 13
CHECK 13