Yale RH70230AS, Use, Care And Installation Manual

T

roubleshooting

15

TROUBLESHOOTING PROCEDURES FOR RH702

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 wires on rotary switch are loose.

3.  Make sure the wires on the switch are 

connected properly.

4.  The switch is defective.

4.  Change the switch.

Light works, but 
blower is not 
turning.

1.  The blower is defective, possible seized.

1.  Change the blower.

2.  The thermally protected system detects if the 

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

2.  The blower will function properly after the 

thermally protected system cool down.

3.  Damaged capacitor.

3.  Change the capacitor.

4.  The blower wire is not connected.

4.  Make sure the blower wire is plugged into the 

molex connector.

The unit is 
vibrating.

1.  The blower is not secure in place.

1.  Tighten the blower in place.

2.  Damaged blower wheel.

2.  Change 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.   Check the light bulb plug connection.

2.  Defective halogen bulb.

2.  Change the halogen bulb.

3.  The light bulb is loose.

3.  Tighten the light bulb.

4.  The wires on the switch are loose.

4.  Make sure the wires on switch are connected 

properly.

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 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.  Blockage in the duct opening or duct work.

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 correct size.

Metal fi lter is 
vibrating.

1.  Metal fi lter is loose.

1.  Change the metal fi lter.

2.  Spring clip is broken.

2.  Change the spring clip.