SiBE811001EB
Troubleshooting
CONVENI-PACK
206
8.4.27 Booster Unit Warning
Error Code
EJ
Applicable
Models
LRYEQ16AY1
LCBKQ3AV1
Method of Error
Detection
Judge the booster unit system stop and transmission failure using the outdoor unit main PCB
Error Decision
Conditions
Booster unit system stop
Transmission failure between outdoor and booster units
Supposed
Causes
Broken of connection wire (between the outdoor and booster unit)
Booster unit system down
Troubleshooting
Is the
connection wire between
the outdoor and booster
units normal?
Is the LED display on the
booster unit abnormal?
Conduct error diagnosis for the
booster unit.
YES
Repair connection wire.
Replace the booster unit PCB.
NO
NO
YES
Caution
Be sure to turn off the power switch before connecting or disconnecting connectors, or parts may be damaged.