Error Code [7101] - Mitsubishi Electric PUHY-P250YNW-A Service Handbook

[7-9 Error Code Definitions and Solutions: Codes [7000 - 7999] ]
7-9-2

Error Code [7101]

1. Error code definition
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
Error source
Outdoor unit (1) The model name (capacity code) set by the
Indoor unit switch (SW2) is wrong.
*The capacity of the indoor unit can be con-
firmed by the self-diagnosis function (SW1
operation) of the outdoor unit.
Outdoor unit (2) The model selection switches (SW5-3 - 5-8)
on the outdoor unit are set incorrectly.
58
- chapter 7
Cause
SW5
Model
3 4 5 6
ON ON OFF OFF
P250 model
Check method and remedy
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 differ-
ent 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 SW5-3 - 5-8 on
the outdoor unit control board).
7 8
ON OFF
BS_07_C