Troubleshooting - Thermador Masterpiece VCI3B30ZS Installation Manual

T R O U B L E S H O O T I N G
You can often easily eliminate issues that may occur on your own. Before
calling customer service, take into account the following information.
WARNING
RISK OF ELECTRIC SHOCK
Improper repairs are dangerous. Only an authorized servicer provider
may perform repairs and may replace damaged connecting leads.
Remove the fuse or deactivate the breaker in the fuse box or breaker box
if the appliance is damaged. Call Customer Service.
Disruption Possible Cause and Solution
Noise during Some noise is normal due to vibration and air
operation movement.
• Excessive noise could indicate one of
the following:
-- ductwork is too small / undersized
-- ductwork is too large / oversized
-- ductwork is loose
-- transition is too small or is loose
-- wood screws are not fully tightened
-- loose screws in trim parts, etc.
Check installation manual to verify that ductwork is
the proper size. Tighten screws.
Noise when • Backfl ow fl ap on outside of duct wall cap
unit is off. moves with the wind. This is normal.
Lights and fan • Hood circuit breaker may be tripped.
blower do not Reset breaker.
work
Fan blower does • Power supply is insuffi cient.
not work.
• Electrical wiring is incorrectly connected.
See the installation manual for more
information.
Hood trips • Electrical wiring is incorrectly connected.
breaker.
• Circuit is not suffi cient.
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Disruption Possible Cause and Solution
The hood is • The hood may be too high from the cooktop.
not venting
• The hood may not be centered above
properly
the cooktop.
• Make up air not suffi cient.
• The wind from opened windows in the
surrounding area is affecting the
ventilation of the hood.
Close all the windows to eliminate
the outside air fl ow.
• Blockage in the duct opening or ductwork.
Remove all blockage from the ductwork or
duct opening.
• 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.
Fault tone • Two short beeps will sound whenever
the pressing of a button by the user results in
a possible function that is not possible by
the system.
The beep tone can be disabled by pressing the
FILTER and LIGHTS buttons simultaneously for at
least 3 seconds. Pressing the FILTER and LIGHTS
buttons simultaneously when the beep sound is
turned off will turn on the beep sound.
Lighting not • LED lighting modules have failed.
working.
The LED modules are replaceable by a an
authorized service provider only. See the
support contact information in Customer Service
section.