7
Troubleshooting
Fault
Cause
Solution
Lights do not work, but
fan works
The LED damaged
Contact Service Department
LED wiring connection poor
LED switch damage
Lights work, but fan
does not work
Motor bearings damage
Contact Service Department
Motor burn out
Motor control switch damage
Light does not work,
motor does not work
Plug contact outlet bad
Fix or change
Power wire cut off
Change power wire
Switch damage
Contact Service Department
Appliance vibrates
violently
Motor screw loosen
Contact Service Department
Fixing brackets loose
Tighten the fixing brackets
Insufficient suction
The distance between the body and the cooktop too
long
Readjust the distance
Cross‐ventilation too strong or too closed in the
kitchen
Reduce cross‐ventilation or open
the window
Exhaust pipe too long
Adjust the length of pipe
Air outlet valve not open
Check the valve if flexible
The outside wind is too strong
Shield outlet from wind
