Zephyr COKE48BRGX 매뉴얼

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.  Wire harness from external or internal blower 

might be disconnected.

1.  Make sure the wires are connected to the 

control board box

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.

The unit is 
vibrating.

1.  The blower is not secure in place.

1.  Tighten the blower in place.

2.  Damaged blower wheel/makes noise.

2.  Change the blower.

3.  The hood is not secured in place.

3.  Check the installation of the hood.

The unit is 
whistling.

1.   A fi lter is not in the correct position.

1.   Adjust the fi lters until the whistling stops.

2.   The duct pipe connections are not sealed or 

connected properly.

2.   Check the duct pipe connections to be sure all 

connections are sealed properly.

The blower is 
working, but the 
lights are not.

1.   The light socket plug is disconnected.

1.   Connect the light socket plug.

2.  Defective LED bulb.

2.  Change the LED 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 28” and 36” 
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 

the outside wind fl ow.

3.  Blocking in the duct opening or ductwork.

3.  Remove all the blocking from the duct work or 

duct opening.

4.  There are too many turns within the ducting.

4.  Limit number of turns and/or increase duct 

size.

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.

Filter is vibrating.

1.  Baffl e fi lter is loose.

1.  Remove fi lter and reinstall it or change the 

baffl e fi lter

After hood has 
been installed 
for a period of 
time, it stopped 
working.

1.  Control board needs to be reset.

1.  Turn circuit breaker which controls the hood 

off for at least 15 minutes. Turn it back on and 
this should fi x the problem.

2.  Defective control board.

2.  Replace control board.