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TROUBLESHOOTING MODEL 400 RESTAURANT RANGES
PAGE 40 OF 64 OPERATOR’S MANUAL 1182299 REV 3 (05/05) DRAFT
TROUBLESHOOTING
TROUBLESHOOTING CONVECTION OVEN BLOWER MOTOR
! WARNING
Before attempting to service or replace any electrical component, make sure power source has been
disconnected.
! CAUTION
When changing motor or servicing unit, always verify that blower wheel rotation is clockwise when
looking into the oven cavity.
The motor is serviceable from the front of the unit through the oven cavity. Remove the back lining.
Disconnect the motor mount plate by removing the eight hex nuts that secure it to the oven interior back. Pull
the mount plate, with motor attached, into the oven.
Motor lubrication information can be found on permanent label located on motor.
If the blower does not run at all, consult the flowchart that begins on the next page. If the blower runs
intermittently, consult the flowchart on the third page following.
The appropriate wiring diagram for the oven can be found on the rear of the oven (as well as at the end of
this section of this manual).