Address Setting Error - Mitsubishi Electric PUMY-P112VKM1 Service Manual

Check code
7105
Abnormal points and detection methods
The address setting of outdoor unit is wrong.
●Diagnosis of defectives
Make sure to turn the power OFF before connecting/disconnecting any connectors, or replacing boards.
Check whether the outdoor unit address is
set in 000, or in the range of 51 to 100.
Is the address setting correct?
OCH576

Address setting error

Diagnosis
Yes
Causes and check points
Wrongly set address of indoor unit
The outdoor unit is not set in 000, or in the range of 51
to 100.
Set the address properly, then turn the
power OFF of indoor/outdoor unit, Fresh
Master, Lossnay and remote controller
No
simultaneously for 2 minutes or more, and
turn the power back ON.
Replace the outdoor multi controller circuit
board.
107
Remedy