Troubleshooting - Crown GLT-20 Installation & Operation Manual

Troubleshooting

Troubleshooting
Loose, broken or grounded wiring may cause many of the symptoms listed.
PROBLEM
Motor will not run.
Motor runs, no spark.
Motor runs, spark present,
no gas ignition.
Low water light comes on.
Relief valve opens.
Flame burns only about
six (6) seconds and shuts off.
Short flame.
Long hazy flame.
Gas fails to shut off.
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NOTICE
Check all wiring and make sure it is intact.
No current. Check that power is being supplied to the unit.
Defective thermostat or pressure switch.
Defective motor.
Motor overload out.
Blown fuse.
Defective transformer.
Defective ignition module.
Blown fuse on ignition module.
Defective spark electrode (cracked insulator).
Defective ignition cable.
Defective centrifugal switch on motor.
Manual main valve off.
Mislocated spark or ground rods.
Defective valve.
Defective ignition module.
Burner rate set too high. Ensure that manifold pressure is set per rating
plate and that correct orifice size installed (See table page 21).
Burner getting too much air. Reduce air shutter opening (not below 1.0).
Add water - See previous section ADJUSTMENTS.
Pressure switch set too high.
Pressure gauge is not accurate.
Relief valve is faulty
Flame rod or flame ground mislocated.
Defective flame rod wire.
Defective ignition module.
Burner rate set too high. Ensure that manifold pressure is set per rating
plate and that correct orifice size installed (See table page 21).
Burner getting too much air. Reduce air shutter opening (not below 1.0).
Wrong size orifice. (See table on page 21).
Low gas pressure.
Air shutter adjustment.
Main manual valve partially closed.
Wrong size orifice.
High gas pressure.
Dirty blower wheel or intake.
Air shutter adjustments.
Dirt on valve seat.
Defective main valve.
INSTALLATION & OPERATION MANUAL 10070 REV 0 (04/21)
Gas Fired Steam Tilting Kettles
PROBABLE CAUSE