MCAC-ATSM-2014-01
R410A Mini Split Chiller 50Hz
45
P0:
Current protection
LED indicates P0
Check whether the compressor motor
gets faulty.
Yes
Check the compressor, and repair or replace it
if necessary.
Check whether the refrigerant is charged too much
(the high pressure> 3.8MPa).
No
Yes
Reduce the refrigerant.
No
Check whether the power voltage is too low,
For 1 phase unit: power voltage <198V; for 3 phase
unit: <342V.
Yes
Check and repair the power supply.
No
Check whether air outlet is blocked by sundries.
Yes
Clear the sundries to ensure smooth
discharge.
Check whether the condenser coil fin gets dirty.
No
Yes
Clean the condenser.
No
Check whether the ambient temperature is too high.
Yes
Add sunshade facilities.
Check whether the condenser fan is abnormal.
Yes
Check the outdoor fan.
No
