miseno MH00630AS, Installation, Use And Care Manual

16

T

roubleshooting

TROUBLESHOOTING PROCEDURES FOR MH006 AND MH007

Issue

Cause

What to do

After installation, 
the unit doesn’t 
work.

1.  The power source is not turned ON.

1.  Make sure the circuit breaker and the unit’s 

power is ON.

2.  The power line and the cable locking connector 

is not connecting properly.

2.  Check the power connection with the unit is 

connected properly.

3.  The switch board and control board wirings are 

disconnected.

3.  Make sure the wirings between the switch 

board and control board are connected 
properly.

4.  The switch board or control board is defective.

4.  Change the switch board or control board.

Light works, but 
blower is not 
turning.

1.   The blower wire is not connected.

1.   Make sure the blower wire is plugged into the 

molex connector.

2.   Blower molex plug pin is not making contact.

2.   Disconnect the blower molex plug, check pins 

inside plug to see if pin is pushed inside the 
plug too far. Reseat pin if needed.

3.  The blower is defective, possibly seized.

3.  Change the blower.

4.  The thermally protected system detects if the 

blower is too hot to operate and shuts the blower 
down.

4.  The blower will function properly after the 

thermally protected system cool down.

5.  Damaged capacitor.

5.  Change the capacitor.

6.  The switch board or control board is defective.

6.  Change defective part.

The unit is 
vibrating.

1.  The blower is not secured in place.

1.  Tighten the blower in place.

2.  Damaged blower wheel.

2.  Replace the blower.

3.  The hood is not secured in place.

3.  Check the installation of the hood.

The blower is 
working, but the 
lights are not.

1.   The light bulb plug is disconnected.

1.   Connect the light bulb plug.

2.  Defective halogen bulb.

2.  Change the halogen bulb.

3.  The light bulb is loose.

3.  Tighten the light bulb.

The hood is 
not venting out 
properly.

1.  The hood might be hanging to high from the 

cook top.

1.  Adjust the distance between the cook top and 

the bottom of the hood within 26” and 34” 
range.

2.  The wind from the opened windows or opened 

doors in the surrounding area are affecting the 
ventilation of the hood.

2.  Close all the windows and doors to eliminate 

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3.  Blockage in the duct opening or ductwork.

3.  Remove all the blocking from the duct work or 

duct opening.

4.  The direction of duct opening is against the wind.

4.  Adjust the duct opening direction.

5.  Using the wrong size of ducting.

5.  Change the ducting to at least 6” or higher.

Metal Filter is 
vibrating.

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