TCL U-MATCH-R32 Series User Manual

TCL U-MATCH-R32 SERIES DC INVERTER AIR CONDITIONERS SERVICE MANUAL
91
3.3.9 P4 ---ODU Discharge temperature overheatingprotection
Display P4
ODU temperature
higher than 60℃?
Yes
Normal protection
No
Unit operate?
No
ODU location
No
acceptable?
Enough space for
ventilation?
Yes
Adjust ODU
installation
Yes
Yes
No
Condenser too
dirty? or filter
blocked?
No
Yes
Clean IDU filter or
ODU condenser.
P4 disappear?
No
Yes
IDU/ODU fan motor
running slowly or
stopped?
No
Yes
Fan blade
blocked?
No
Replace fan
motor or PCB
Yes
Adjust
Yes
Problem solved?
No
Capillary blocked?
No
Is the unit gas
pressure normal?
(cooling0.8-1.3Mpa,
heating2.0-3.6Mpa)
Yes
Yes
Replace
capillary
Charge gas
Problem solved?
No
Problem solved?
Yes
Yes
No No
Replace ODU
End

TCL U-MATCH-R32 Series Specifications

General

Brand	TCL
Model	U-MATCH-R32 Series
Category	Air Conditioner
Language	English