Mitsubishi Electric PURY-P72 Service Handbook page 208

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[ IX Troubleshooting ]
1. Error Code
4116
RPM error/Motor error
2. Error definition and error detection method
LOSSNAY
The motor keep running even if the power is OFF.
The thermal overload relay is ON. (Only for the three-phase model)
Indoor unit
If detected less than 180rpm or more than 2000rpm, the indoor unit will restart and keep running for 3 minutes.If detected
again, the display will appear.
3. Cause, check method and remedy
(1)
Board failure
(2)
Motor malfunction
(3)
Solenoid switch malfunction
HWE0803A
Cause
- 199 -
Check method and remedy
Replace the board.
Check for the motor and the solenoid switch.
GB
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