Mitsubishi Electric PFAV-P250VM-E Service Manual page 179

[ X Troubleshooting ]
1. Error Code
7101
Capacity code setting error
2. Error definition and error detection method
Connection of incompatible (wrong capacity code or Qj) indoor unit or outdoor unit
3. Error source, cause, check method and remedy
Error source
Outdoor unit (1)
Indoor unit
Outdoor unit (2)
HWE10190
Cause
The Qj (capacity code) set by the switch
(SW2) is wrong.
*The capacity of the indoor unit can be
confirmed by the self-diagnosis function
(SW1 operation) of the outdoor unit.
The model selection switches (SW5-1 -
5-4) on the outdoor unit are set incor-
rectly.
SW5
Model
1 2
250 model
ON ON OFF
350 model
OFF ON ON
400 model
ON ON ON
1) Check the Qj (capacity code) of the indoor 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.
Check the setting for the model selection switch on
the outdoor unit (Dipswitches SW5-1 - 5-4 on the
outdoor unit control board).
3 4
OFF
OFF
OFF
- 170 -
Check method and remedy
GB