Midea M2OA-18HRDN1, Руководство пользователя

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MCAC-HTSM-2007-11 Troubleshooting
Outdoor Units 125
Display Malfunction or Protection
P6 Condenser high temperature protection
When Condenser high temp. is more than 65
°
C, the unit will stop, and unit runs again when outdoor pipe
temp. less than 52
°
C.
Remark: 1. Test digital discharge temperature, outdoor condenser temperature T3
2. Test system pressure
3. High digital discharge temperature is likely owing to the lack of refrigerant, air leakage or
system blockade. Check the above items respectively to solve the problem.
4. Condenser high temperature protection owes to the overcharge of refrigerant, air leakage
or bad ventilation and heat-emission conditions.
No
Yes
No
Yes
No
Is the Condenser high temp. more than 65
°
C ?
Is the Condenser high temp. sensor right according to the annex 1.
Replace the outdoor main board
Replace the outdoor pipe temp sensor
The outdoor temp. is too high(More
than 43
℃
)
The system is blocked?
Or EXV is invalid?
Correct the problem or replace the
EXV.
Yes