TROUBLESHOOTING
Save time and money! Review the charts on the following pages first and you may not need to call for service.
Problem
Fan and lights do not operate when
the switches are turned on
The blower does not work but the
lights do
The blower fails to exhaust the
smoke/steam/odors adequately
8
Possible Causes
The hood was never electrically
connected by the installer/ electrician/
builder.
A fuse may be blown or a circuit breaker
tripped.
The blower motor wire harness was
not connected or was not connected
properly by the installer/electrician/
builder to its mating connector located
inside the hood on the top surface, to
the left of the blower assembly.
Many factors could be the root cause for
Installation could be the problem: Your
ducting requirements. If your duct
length exceeds the manufacturer's
requirements, hood performance will
house duct work is too small or there are
too many elbows in the system.
Obstruction in duct work could be the
problem.
Damper blade may not be opening.
Damper blade on Wall or Roof Cap may
not be opening.
required for exhausting appliances to
operate to rating.
What To Do
Call the electrician/installer/builder to complete the
the installation. This is not covered by warranty.
Replace the fuse or reset the circuit breaker.
service disconnecting means to prevent power
from being switched on accidentally. When the
service disconnecting means cannot be locked,
securely fasten a prominent warning device,
such as a tag, to the service panel.
harness connector. Is it plugged into its mating
connector?
3. If no, plug the blower motor connector into its
mating connector on the top of the hood. Switch
the power back on. Check to see if the fan now
works.
4. If no, check the circuit breaker/fuse. If it is
blown/tripped, replace/reset it. Does the blower
work now? If no, call Monogram for service.
Contact your installer or builder.
Make sure nothing is blocking the vent (bird nests
or kinks in the duct work).
Make sure the tape is removed from the damper
blades and that it swings open freely.
Contact your builder so they can make sure the
damper swings open freely.
clean of grease and dirt.
call for service.
Check with local building codes, which may
require or strongly advise the use of makeup air.
Visit Monogram.com for available makeup air
solutions.
49-2000857 Rev. 0