Capacity Code Error - Mitsubishi Electric MXZ-4C36NAHZ Service Manual

Check code
7101
Abnormal points and detection methods
When the capacity of connected indoor unit is over, a check code <7101>
is displayed.
●Diagnosis of defectives
Make sure to turn the power OFF before connecting/disconnecting any connectors, or replacing boards.
Check the model selection switch (SW4
on the indoor controller board) of the
connected indoor unit.
Is it set properly?
OCH573

Capacity code error

Diagnosis
Yes
Causes and check points
The model name of connected indoor unit (model code)
is read as incompatible.
The connectable indoor units are:
·P6 to P36 model (code 4 to 20)
No
The model code of the connected indoor
unit can be displayed by an operation of
SW1 on the outdoor unit.
96
Remedy
Set the switch properly.