Part # 4519069 (07/24/09)
Page 29
TROUBLE SHOOTING GUIDE
Open Type Hot Plate, Solid Hot Top, Griddles And Broilers
PROBLEM
POSSIBLE CAUSE
SOLUTION
Burner flame too large.
Incorrect setting pressure or injector.
Check the setting pressure and injector.
Burner flame soft-yellow tip.
Insufficient primary air.
Check aeration shutter setting.
Flame lifts off burner ports.
Excessive primary air.
Check aeration shutter setting.
Flame lights back to injector.
Excessive primary air.
Check aeration shutter setting.
Burner ‘pops’ when turned off.
Excessive primary air.
Check aeration shutter setting.
Delayed ignition
Pilot flame too small.
Check length of pilot flame.
Burner ports blocked
Clean burner
Incorrect aeration.
Check aeration shutter setting.
Incorrect setting pressure.
Check setting pressure.
Pilot burner will not ignite.
Pilot orifice blocked.
Clean jet.
Pilot adjusting screw closed
Open and adjust flame length.
No spark to pilots.
Disconnected or loose hi-tension wires. Reconnect hi-tension wires.
Defective spark module.
Replace module.
Defective momentary switch.
Replace switch.
No power to range.
Check and restore power supply.
Pilot keeps going out.
Pilot flame too small.
Check pilot flame length.
Loose thermocouple connection.
Tighten connection.
Faulty thermocouple.
Replace thermocouple.
Faulty flame safety device.
Replace flame safety device.
Low millivolt output on open circuit
tests.
Pilot flame too small.
Adjust pilot flame length.
Defective thermocouple.
Replace thermocouple.
Low millivolt output high in open
circuit test, but low in closed circuit test.
Faulty flame safety device.
Replace flame safety tap.
Millivolt output high on closed circuit
test, but blame safety tap will not stay
open.
Faulty flame safety device.
Replace flame safety tap.
Standard And Convection Ovens
PROBLEM
POSSIBLE CAUSE
SOLUTION
Oven too hot or not hot enough.
Thermostat out of calibration.
Check calibration.
Burner flame too large.
Incorrect setting pressure or injector.
Check the setting pressure and injector.
Burner flame soft-yellow tip.
Insufficient primary air.
Check aeration shutter setting.
Flame lifts off burner ports
Excessive primary air.
Check aeration shutter setting.
Burner ‘pops’ when turned off.
Excessive primary air.
Check aeration shutter setting.
Delayed ignition.
Pilot flame too small.
Check length of pilot flame.
Burner ports blocked
Clean burner
Incorrect aeration.
Check aeration shutter setting.
Incorrect setting pressure.
Check setting pressure.
Pilot burner will not ignite.
Pilot orifice blocked.
Clean jet.
Pilot adjusting screw closed
Open and adjust flame length.
No spark to pilots.
Disconnected or loose hi-tension wires. Reconnect hi-tension wires.
Defective spark module.
Replace module.
Defective momentary switch.
Replace switch.
No power to range.
Check and restore power supply.
Pilot keeps going out.
Pilot flame too small.
Check pilot flame length.
Loose thermocouple connection.
Tighten connection.
Faulty thermocouple.
Replace thermocouple.
Faulty flame safety device.
Replace flame safety device.
Summary of Contents for Master Series
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