MODEL 300 RESTAURANT RANGES | TROUBLESHOOTING |
CONVECTION OVEN BLOWER
DOES NOT RUN
REMOVE THE MAIN POWER
SOURCE. UNPLUG OR DISCONNECT CIRCUIT BREAKER.
Remove the control knobs from the
range.
CAUTION! WIRING BEHIND THE
PANEL OF THE NEXT STEP.
Move a DVM probe to the center terminal of the
switch wires 1 and 2.
Check the voltage specified by the Serial Plate located behind the oven valve cover panel.
Connect the main power supply.
| Is the voltage |
| |
Yes | No | ||
as specified? |
Remove the upper valve panel cover screws and tilt the panel forward to expose the back of blower switch.
Remove the protective cover from
over the switch.
Check that the wires and terminals
are secure on the switch.
Refer to schematic P/N’s:
1181101 for 120V,
1181102 for 208/240V.
Place a DVM on the end terminals of the blower switch wires 1 and 3.
Reinstall the switch
cover and valve
panel.
Turn on the power
switch.
Open the oven door.
If the blower runs, the Door Switch is wired wrong.
Disconnect the main
power supply.
Disconnect the main
power supply.
Check the facility's
power supplies.
Reinstall the switch
cover and valve
panel.
Connect the main
power supply.
Test oven.
Place switch in on position.
No Continuity? Yes
Replace the switch.
Reinstall the switch cover and
valve panel.
Test blower.
Open the kick panel by raising it
and tilting the top outward.
Check that one wire is connected
to the (common), 90° bottom
terminal of the switch.
Move the other wire to the lower leg (N.O.) on the side of the switch.
Continues on following page.
TROUBLESHOOTING
OPERATOR’S MANUAL 1182298 REV 3 | PAGE 39 |