Guide

34
TROUBLESHOOTING CHART
If problems arise during warranty time period, please call factory for authorized service agency.
Manufacturing drawings of parts and manifolds are available from the factory. Please call if needed.
2. Pilots will not light.
PROBABLE CAUSE
1a. No gas.
1b. Air in gas line.
1c. Improper gas line supply.
1d. Gas turned on too fast at tank.
POSSIBLE SOLUTION
1a. Ensure gas is turned on.
1b. Purge air from gas line.
1c. Ensure piping will supply adequate pressure.
1d. Turn on at tank very slowly.
3. Y
ellow flame or yellow tipped flame on
burners.
4. Orange flame.
6. Delayed ignition or slow lighting.
7. Odor: gas/combustion.
8. Floating flame.
9. Noise:
9a.
Explosion inside burner when flame is
shut off.
9b. Noise in air mixer and mixing tube.
9c. Whistling noise in orifice.
10. Uneven or improper heating on griddle plate.
11. Valve hard to turn.
2a. Pilot valve is shut off.
2b. Fans or air drafts interfering with pilot
operation.
2c. Improper pilot adustment.
2d. Bad or weak thermocouple.
2e.
Bad or weak electromechanical head in safety
valve.
3a. Lack of primary air supply.
3b. Improper pressure.
4a.
Dirt and /ordust are being carried through
burner ports.
6a. Improper manifold pressure.
6b. Pilot flame improperly located.
6c. Too much primary air.
7a. Gas odor: leak in appliance.
7b. Combustion odor: lack of secondary air..
8a. Lack of secondary air.
9a. Burner head too hot.
9b. Flame inside burner.
9c. Faulty adjustment - seating.
10a. Thermostat improperly adjusted.
10b. Improper orifice size.
10c. Improper griddle plate temperature.
10d. Misaligned by-pass adjustment.
10e. Bad thermostat.
11a. Valve grease drying out internally.
2a. Locate and adjust pilot.
2b. Locate and eliminate air drafts.
2c. Locate and adjust pilot.
2d.
Have a technician properly test the
thermocouple.
2e. Test safety valve with a turn down test.
CALL FOR SERVICE BULLETIN
3a. Thoroughly clean and/or adjust air mixer.
3b. Check and adjust manifold pressure.
• Check orifice drill siae.
•
Ensure gas stream enters center of
mixing tube.
• Check mixing tube for obstructions.
4a.
Clean inside burner and burner ports with
small brush and blow out burner with air.
(correction needed only in exceptional cases.)
6a. Check and adjust manifold pressure.
6b. Properly adjust and locate pilot assembly.
6c. Adjust primary air.
7a.
Check appliance thoroughly for gas leaks with
soap solution - bubbles.
7b. Ensure air and flue passages are clean.
8a.
Check secondary air vent passages for
obstruction. Check for adequate air intake to
combustion chamber.
8b. Lift back of plate with adjusting screws 1/8”.
9a.
Check manifold pressure
and adjust if necessary.
• Check for proper orifice size.
9b.
Obstruction in orifice - clean or replace orifice
hood.
9c.
Make sure orifice is tight. Replace orifice hood,
if necessary, making sure orifice is properly
drilled.
10a.
Check and adjust manifold pressure and
primary air to burner.
10b. Check orifice size.
10c. Check and properly calibrate thermostat.
10d.
Check and, if necessary, adjust the by-pass on
thermostat.
10e.
Check thermostat for proper seating against
bottom of plate.
10f.
Replace thermostat.
11a. Periodic maintenance with hi-temperature
valve grease.
CALL FOR SERVICE BULLETIN
5. Flame lifts above burner ports. 5a. Too much primary air.
5b. Improper manifold pressure.
5a. Reduce the amount of primary air.
5b.
Check and adjust manifold pressure.
• Check for proper orifice drill size.
5c. Lift back of plate with adjusting screws 1/8”.
PROBLEM
1. Appliance will not ignite.