Mitsubishi Electric CITY MULTI PUMY-P112VKM6 Service Manual page 79

7101 (EF): Capacity code error
Abnormal points and detection methods
• A connected indoor unit is incompatible, error code
7101 is displayed.
Diagnosis of failure
Check the model selection switch (SW4
on the indoor controller board) of the
connected indoor unit.
Is it set properly?
OCH790 _79
No
Yes
Causes and checkpoints
The model name of connected indoor unit (capacity code)
is read as incompatible.
The connectable indoor units are:
• P112 to P140 model:
P10 to P140 model (capacity code 2 to 28)
• When connecting via branch box:
P15 to P100 model (capacity code 4 to 20)
• PWFY unit:
P100 model (capacity code 20)
Set the switch properly.
The capacity code of the connected indoor unit
can be displayed by an operation of SW1 on the
outdoor unit.