Service; Before Calling Service; Trobuleshooting - Thermador Masterpiece HMCB30WS Guide D'utilisation Et D'entretien

Service

Before Calling Service

Trobuleshooting

To reach a service representative, see the contact informa-
tion at the back of the manual. Before calling, please note
the complete model and serial number printed on your
product data rating label.
Use the suggestions in the table below before calling for
service to avoid service charges.
Problem
Noise during operation
Noise when unit is off
Lights and fan blower do not
work
Fan blower does not work
Hood trips breaker
The hood is not venting
properly.
English | 16 |
Some noise is normal due to vibration and air movement.
Excessive noise could indicate one of the following:
a) Ductwork is too small / undersized
b) Ductwork is too large / oversized
c) Ductwork is loose
d) Transition is too small or is loose
e) Wood screws are not fully tightened
f) Loose screws in trim parts, etc.
Check Installation Manual to verify that ductwork is the proper size. Tighten
screws.
a) Backflow flap on outside of duct wall cap moves with the wind. This is
normal.
a) Hood circuit breaker may be tripped. Reset breaker.
a) Power supply is insufficient.
b) Electrical wiring is incorrectly connected.
See the Installation Manual for more information.
a) Electrical wiring is incorrectly connected.
b) Circuit is not sufficient.
See the Installation Manual for more information.
a) The hood may be too high from the cook top.
b) The hood may not be centered above the cook top.
c) Make up air not sufficient.
d) The wind from opened windows or opened doors in the surrounding area
is affecting the ventilation of the hood. Close all the windows and doors
to eliminate the outside air flow.
e) Blockage in the duct opening or ductwork. Remove all blockage from the
duct-work or duct opening.
f) Duct length too long, too many elbows, "back to back" elbows, or too
small roof or wall cap, will all cause issues with air draw.
See the Installation Manual for more information.
Suggested Solution
Use and Care Guide