Zephyr ZNA-M90S manual Troubleshooting Procedures For Napoli Island, Issue, Cause, What to do

Models: ZNA-M90S ZNA-E42S

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TROUBLESHOOTING PROCEDURES FOR NAPOLI ISLAND

TROUBLESHOOTING PROCEDURES FOR NAPOLI ISLAND

Issue

Cause

What to do

After installation,

1.

The power source is not turned ON.

1.

Make sure the circuit breaker and the unit’s

the unit doesn’t

 

 

 

power is ON.

work.

 

 

 

 

2.

The power line and the cable locking connector

2.

Check the power connection with the unit is

 

 

 

is not connecting properly.

 

connected properly.

 

 

 

 

 

 

3.

The switch board and control board wirings are

3.

Make sure the wirings between the switch

 

 

disconnected.

 

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,

1.

The motor is defective, possibly seized.

1.

Change the motor.

but motor is not

 

 

 

 

2.

The thermally protected system detects if the

2.

The motor will function properly after the

turning.

 

motor is too hot to operate and shuts the motor

 

thermally protected system cool down.

 

 

 

 

 

down.

 

 

 

 

 

 

 

 

3.

Damaged capacitor.

3.

Change the capacitor.

 

4.

The switch board or control board is defective.

4.

Change defective part.

 

 

 

 

 

The unit is

1.

The motor is not secure in place.

1.

Tighten the motor in place.

vibrating.

 

 

 

 

2.

Damaged blower wheel.

2.

Replace the blower.

 

 

 

 

 

 

 

3.

The hood is not secured in place.

3.

Check the installation of the hood.

 

 

 

 

 

 

4.

The switch board or control board is defective.

4.

Change defective part.

The motor is

1.

Defective halogen bulb.

1.

Change the halogen bulb.

working, but the

 

 

 

 

2.

The light bulb is loose.

2.

Tighten the light bulb.

lights are not.

 

 

 

 

 

 

 

 

 

The hood is

1.

The hood might be hanging to high from the

1.

Adjust the distance between the cook top and

not venting out

 

cook top.

 

the bottom of the hood within 28” and 36”

properly.

 

 

 

range.

 

2.

The wind from the opened windows or opened

2.

Close all the windows and doors to eliminate

 

 

doors in the surrounding area are affecting the

 

the outside wind flow.

 

 

ventilation of the hood.

 

 

 

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

 

 

 

 

for the internal blower and 8” or higher for the

 

 

 

 

external blower.

Metal Filter is

1.

Metal filter is loose.

1.

Change the metal filter.

vibrating.

 

 

 

 

Troubleshooting

17

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Zephyr ZNA-M90S, ZNA-E42S manual Troubleshooting Procedures For Napoli Island, Issue, Cause, What to do