309
Troubleshooting
Phenomenon Cause Check item
Action
(Turn OFF the main switch)
Cooling or heating
process with an
abnormal sound
Foreign particles inside of the fan casing Visually inspect it Remove the foreign particles
Outdoor unit propeller fan is hitting the shroud Visually inspect it
Adjust the position of the
propeller fan
Abnormal
sound from the
compressor
Faulty Installation
Check that each part is tightly
xed
Tightly x each part
Wear or breakage of
the internal compressor
parts
Abnormal sound from the inside
of the compressor
Replace the compressor
Abnormal vibration of the cabinets
Check the surface of the
contacts
Replace the magnetic switch
Outdoor fan does not
operate when the
compressor operates
Obstacle at the outdoor fan Check the obstacles Remove the obstacles
Watching condition for the operation process
Heating process: 4-way
reversing valve o, Cooling
process:4-way reversing valve
on Wait for the switching of the
4-way reversing valve
Cooling process: If the 4-way
reversing valve does not switch,
check for insucient refrigerant
To Next Page
Loading...
