11
Combination screw loosen
Screw it tight
Body hang unfixable
Tight the body
Insufficient suction
The distance between the body and
the gas top 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
No the technical problem
