Thermador HPWB30 Manual página 7

TROUBLE SHOOTING
Issue Cause What to do
After installation, the 1. The power source is not turned ON. 1. Make sure the circuit breaker and the
unit doesn't work? unit's power is ON.
2. The power line and the cable locking 2. Check the power connection with the
connector is not connecting properly, unit is connected properly.
3. The switch board and control board 3. Make sure the wirings between the
wirings are disconnected, switch board and control board are
connected properly.
4. The switch board or control board is 4. Call for Service
defective.
Light works, but motor
is not turning.
The unit is vibrating. 1.
2.
3.
The motor is working, 1.
but the lights are not.
2.
1.
The hood is not venting
out properly.
1. The thermally protected system
detects if the motor is too hot to
operate and shuts the motor down.
The motor is not secure in place.
Damaged blower wheel.
The hood is not secured in place.
Defective halogen lights.
The halogen lamps are loose.
The hood might be hanging to high
from the cook top.
2,
The wind from the opened windows
or opened doors in the surrounding
area are affecting the ventilation of
the hood.
3. Blocking in the duct opening or
ductwork.
4,
The direction of duct opening is
against the wind.
5. Using the wrong size of ducting.
1. The motor wilt function properly after
the thermally protected system coot
down.
1. Tighten the motor in place.
2. Call for Service
3. Check the installation of the hood.
1. Change the halogen lights.
2. Tighten the halogen lamps.
1. Adjust the distance between the cook
top and the bottom of the hood within
30" and 36" range.
2. Close all the windows and doors to
eliminate the outside wind flow.
3,
Remove all the blocking from the duct
work or duct opening.
4. Adjust the duct opening direction.
5. Change the ducting to at least 8" or
higher.
Metal filter is vibrating. 1. Metal filter is loose. 1. Secure properly the grease filter to the
grease tray.