Check code
Abnormal points and detection methods
Causes and checkpoints
When the total capacity of connected indoor units exceeds the specified
capacity (130% of the outdoor unit capacity), a check code <7100> is
displayed.
The total capacity of connected indoor units
exceeds the specified capacity.
· SP112 model: up to code 35
· SP125 model: up to code 41
· SP140 model: up to code 47
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 outdoor
unit capacity?
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 multi controller circuit board) of
the outdoor unit.
Check the total capacity of connected
indoor units.
Correct it so that the total capacity of
connected indoor units is under 130% of
the outdoor unit capacity.
Set the switch properly.
Set the switch properly.
Complete
95
OCH668B
