Southbend S Series Restaurant Ranges - Manual (Page 28)

S S ERIES R ESTAURANT R ANGES
OWNER’S MANUAL 1191904 REV 2 (5/14) PAGE 28 OF 31
T ROUBLESHOOTING
Figure 11
Convection-Oven Blower Does Not Run, Continued
DISCONNECT POWER AT CIRCUIT BREAKER.
(Continuing from previous page.)
Is there voltage? No Yes
Remove the wire terminal cover from the blower motor.
Check all wiring for loose terminals or breaks.
Check that the common wire is connected to the motor black wire.
Reconnect the power supply and turn on blower-control switch.
Use a voltmeter to measure the voltage between the black wire and
the white wire.
Remove the wire nuts from the red, white, and black wires.
Check that the resistance across the white and black wires is
approximately 1.9 ohms. Check that the resistance across the
white and red wires is also approximately 1.9 ohms. If either
resistance is incorrect, replace the blower motor.
DISCONNECT POWER AT CIRCUIT BREAKER.
Check that the red wire is capped off.
Remove the wire nuts from the black and the white wires. Check
that in each case the wires are twisted together securely.
Check that the neutral wire is connected to the white wire.
CHECK THAT POWER IS DISCONNECTED
AT CIRCUIT BREAKER.