Mitsubishi MXZ-8C60NA-U1 - Total Capacity Error

Check code
Abnormal points and detection methods Causes and check points
When the total of the number on connected indoor unit model names
exceeds the specied capacity level (130% of the number on the outdoor
unit model name), a check code <7100> is displayed.
The total of number on connected indoor unit model
names exceeds the specied capacity level:
· 4C36: up to code 29
· 5C42: up to code 35
· 8C48: up to code 40
· 8C60: up to code 59
The model name code of the outdoor unit is
registered wrongly.
●Diagnosis of defectives
Make sure to turn the power OFF before connecting/disconnecting any connectors, or replacing boards.
Diagnosis Remedy
7100
(EF)
Total capacity error
No
Yes
Yes
No
No
Yes
Is it set properly?
Is it set properly?
Is the total under 130% of
the number of outdoor unit model
name?
Check the capacity code switch (SW2
on the indoor controller board) on the
connected indoor unit.
Check the model selection switch (SW4 on
the outdoor controller board) of the outdoor
unit.
Check the total number of connected
indoor unit model names.
Correct the total number of connected
indoor unit model name within 130% of the
number on the outdoor unit model name.
Set the switch properly.
Set the switch properly.
complete
102
OCH573C