Carrier 42K User Manual

106
Troubleshooting (Cont.)
Solving steps for typical malfunction (Cont.)
For indoor unit (Cont.)
f. Full-water malfunction
Full-water malfunction
Check whether the wate
r
-level switch is
inserted well
No
Insert the water-level switch well
Check whether the water-level switch is broken
Yes
Yes
Replace the water-level switch
Check whether the water pump is normal
No
Check PCB board or replace the main control
board
Yes
No
Replace the water pump

Carrier 42K Specifications

General

Brand	Carrier
Model	42K
Category	Heat Pump
Language	English