Capacity Code Error - Mitsubishi Electric PUMY-P112VKM3 Technical & Service Manual

Check code
7101
(EF)
Abnormal points and detection methods
When a connected indoor unit is incompatible, 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?
OCH632A

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:
· P112 to P140 model: P15 to P140 model (code 3 to 28)
· When connecting via branch box: P15 to P100 model
(code 3 to 20)
· PWFY unit: P100 model (code 20)
No
The model code of the connected indoor
unit can be displayed by an operation of
SW1 on the outdoor unit.
99
Remedy
Set the switch properly.