43
Compressor malfunction
Replace the compressor
Replace the capacity
Compressor running capacity
broken
Voltage is too low or too high
Wrong wiring
Suggest to equip the manostat
According to the circuit diagram
to wire correctly.
Water leakage
Water drainage blocked or
broken
Replace water drainage pipe
The wrapping of refrigerant
pipe joint is not well sealed
Rewrapping and bind up tightly
Indoor unit fan touches other
parts
Adjust the fan position
There are abnormities in the
indoor unit
Take out the abnormities
Compressor vibrates terribly
Adjust compressor support pad,
tighten the loosen bolts
Outdoor pipelines collide
each other
To deleave the collided pipelines
Indoor metal sheets collide
each other
.
2.Stick the dumping cushion ts.
between metal shee
1. Tighten the connect bolt
Outdoor unit fan collide
with body case
Adjust fan blade position
There are abnormal sound in
the compressor
Replace the compressor
When heating, there are abnor-
mal electromagnetic sound in
the 4-way valve.
The electromagnetic valve internal short
circuit, replace the electromagnetic valve.
Error codes:
E1: Compressor high pressure protection
E4: Air outlet pipe high temp. protection
E2: Indoor antifreezing protection
E5: Low voltage protection
E3: Compressor low pressure protecition
Abnormal sound and
vibration
In COOL, DRY mode,
outdoor fan motor
runs, but compre-
ssor does not op-
erate.