Sub-Zero IH4227, CTWH36, CTWH30 manual Troubleshooting G U I D E, Do not operate

Models: CTWH30 IH4227 CTWH36

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TROUBLESHOOTING G U I D E

TROUBLESHOOTING 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.

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Sub-Zero IH4227, CTWH36, CTWH30 manual Troubleshooting G U I D E, Do not operate