Sub-Zero IH4227 - Manual (Page 13)

13
T R O U B L E S H O OT I N G G U I D E
T R O U B L E S H O OT I N G G U I D E
P R O B L E M P O S S I B L E S O L U T I O N
Motor and lights A fuse in your home may be blown or the circuit breaker tripped.
do not operate Replace the fuse or reset the circuit breaker.
Electrical connections at the electrical box may be made
incorrectly. Contact your installer.
Motor runs but lights Halogen light bulb(s) may have burned out.
will not operate
The fuse for the light bulb socket may have blown.
Switch operation may be faulty.
Motor does not function, Connect the motor directly to a supply cord, by-passing the hood.
but lights are operational
If the motor runs, contact a Wolf authorized service center to check
switch and control board operation.
Excessive fan speed Check to be sure that the blower wheel is not hitting the side of
and/or noise the blower. Adjust if necessary.
Check and tighten blower mounting hardware if necessary.
Check for obstructions in the damper flap or duct work.
Check for excessive length of the duct run, number of transitions
and elbows and duct diameter.
Dimensions in parentheses are in
millimeters unless otherwise specified.