Mitsubishi Electric PURY-WP200 Service Manual page 196

[ IX Troubleshooting ]
7107
1. Error Code
7107
Port setting error
2. Error definition and error detection method
The port with wrong number is connected to the indoor unit.The model total connected to the port is greater than the specifi-
cation.
3. Cause, check method and remedy
Error source
HBC control- (1)
ler
(2)
(3)
(4)
HWE1113B
Cause
Model total of indoor units per each port or per
each port merge is greater than the specification.
Total port number
Single branching
4 or more indoor units are connected to the same
port.
When two ports are used, the port with the smaller
number is not connected to the indoor unit.
The address of the HBC controller is not set to an
address that equals the address of the lowest ad-
dress of the connected indoor unit plus 50.
Before resetting the port number using
the port number setting switch or the
model using the model (capacity code)
setting switch, turn off the power of the
outdoor unit, the HBC controller and
Model total
the indoor unit.
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Check method and remedy
GB