Mitsubishi PK12FK Instruction Manual page 48

3. WRONG WIRING ON SITE
Symptom due to wrong wiring between indoor and outdoor units
Wrong wiring
Indoor unit
1
2
Disconnect between 1 and 1 or 2 and
2.
Thermostat
OFF
Outdoor unit
1
2
ON
OFF
ON
The outdoor unit stops.
Operation stops. 9 minutes later, the check code ¨P8¨ appears
on the remote controller display.
Operation stops.
9 minutes later, the check code ¨P8¨ appears on the remote con-
troller display.
OC196A-48
Phenomena