Mitsubishi Electric City Multi PFAV-P500VMH-E, Service Handbook

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Troubleshooting ]
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HWE07150 GB
1. Error Code
Capacity code setting error
2. Error definition and error detection method
Connection of incompatible (wrong capacity code) indoor unit or outdoor unit
3. Error source, cause, check method and remedy
7101
Error source Cause Check method and remedy
Outdoor unit
Indoor unit
(1) The model name (capacity code) set by
the switch (SW2) is wrong.
1) Check the model name (capacity code) of the in-
door unit which has the error source address set by
the switch (SW2 on indoor unit board).
When the model name set by the switch is different
from that of the unit connected, turn off the power
source of the outdoor and the indoor units, and
change the setting of the capacity code.
*The capacity of the indoor unit can be
confirmed by the self-diagnosis function
(SW1 operation) of the outdoor unit.
Outdoor unit (2) The model selection switches (SW5-1 -
5-4) on the outdoor unit are set incor-
rectly.
Check the setting for the model selection switch on
the outdoor unit (Dipswitches SW5-1 - 5-4 on the
outdoor unit control board).
250 model
SW5
ON ON OFF OFF
1 2 3 4
Model