VII. Troubleshooting guide
Malfunction
Possible reasons
Solutions
No LED
display
1. No power or poor
contact.
2. Damaged screen.
3. Burnt/blown fuse.
4. Circuit board error.
1. Turn power on
2. Replace the screen.
3. Replace blown fuse.
4. Replace the circuit
board
No wind or
weak wind
speed
1. The fan motor is stuck.
2. Filter screen is blocked.
3. Main control panel
error.
1. Check the machine
and the fan motor.
2. Clean or replace the
filter screen/cooling
pad.
3. Replace the wind
wheel.
4. Replace the main
control panel.
Motor out of
control
1. Button on the main
control panel is damaged.
2. The panel is damaged.
1. Replace the main
control panel.
2. Replace the panel.
Drain valve
leakage
1. Drain valve damaged.
1. Replace the drain
valve.
