PAGE 6
OPERATOR'S MANUAL
HOLMAN CONVEYOR BAKERS
MODEL MM14
TROUBLESHOOTING GUIDE CONT.
C.
HEAT LIMIT SWITCH
Your Holman Conveyor Oven is equipped with an automatically activated HEAT LIMIT SWITCH which
interrupts the heater tube connections if the air temperature in the control box exceeds 190F (88C). This
Limit Switch can be reset manually by pushing the button in the center of the switch which is located as
shown.
HEAT LIMIT SWITCH
THE HEAT LIMIT SWITCH CAN BE ACTIVATED IF THERE IS NOT A PROPER AMOUNT OF AIR
FLOW BEING GENERATED BY THE COOLING FAN. IF THIS OCCURS:
1. DISCONNECT UNIT FROM POWER SOURCE.
2. Check to see if air intake area (openings in bottom center of Control Box) is free of dust, grease
or other obstructions.
3. Check to see if Crumb Trays (heat reflectors) are in place.
NEVER OPERATE UNIT WITHOUT CRUMB TRAYS IN POSITION AS THIS CAUSES
OVERHEATING IN THE CONTROL BOX.
CRUMB TRAY
CRUMB TRAY
TROUBLESHOOTING GUIDE CONT. ON PAGE 7
REVISED 7/9/01 MJC