R410A Mini Split Chiller 50Hz
MCAC-ATSM-2014-01
44
E9:
Digital scroll compressor discharge temperature sensor is abnormal (thermostat display E4)
LED indicates E9
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
Check whether the refrigerant is charged too little.
Yes
Recharge the refrigerant.
No
