Blodgett b12c-b Owner's Manual

S

ERVICE

 

S

AFFIRE 

S

ERIES 

S

ECTIONAL 

R

ANGE

 

P

AGE 

38

 OF 

72 O

WNER

'

S 

M

ANUAL 

1184743 

 

 

Hot

Check that the vents at each end of 

the motor are not obstructed. 

Check that the motor is not against 

a wall. 

Go to the junction box on the back 

of the range and remove the cover.

Place a DVM or ammeter on the 

black wire #1. 

Check for excessive heat sources 

behind the range. 

Check for hot air leaks around the 

motor pocket. 

Cold 

Check all wiring for loose 

connections or breaks. 

REMOVE THE MAIN POWER 

SOURCE. UNPLUG OR 

DISCONNECT CIRCUIT 

BREAKER. 

CAUTION! Be sure a DVM is 

protected to 40 amps or greater. 

Connect main power supply. 

Turn on the oven Power Switch. 

Observe that the amperage surges 
and returns to the motor amperage 

reading for high speed. 

If the motor shuts off and there 

is no excessive heat around the 

blower motor it must be 

replaced. 

If the amperage surge remains at 

greater than the rating replace the 

motor. 

Test oven. 

Check that there are no air flow 

obstructions around the range. 

Check for excessive grease and 

dust buildup on the motor. 

Leave the blower turned on and 

turn off the oven thermostat and 

allow to cool. 

If the blower starts up turn the oven 

and allow to reheat to 500

°F. 

Blower 

starts but 

shuts off.