Troubleshooting - Blodgett KLT-G Series Installation & Operation Manual

7.0 TROUBLESHOOTING

PROBLEM
Motor will not run.
Motor runs, no spark.
Motor runs, spark present, no gas ignition.
Low water light comes on.
Relief valve opens.
LOOK FOR
S No current. Check that power is being
supplied to the unit.
S Defective thermostat or pressure switch.
S Defective motor.
S Motor overload out.
S Blown fuse.
S Defective transformer.
S Defective ignition module.
S Blown fuse on ignition module.
S Defective spark electrode (cracked
insulator).
S Defective ignition cable.
S Defective centrifugal switch on motor.
S Manual main valve off.
S Mislocated spark or ground rods. See
Figure 2 for correct position
S Defective valve.
S Defective ignition module.
S Burner rate set too high. Ensure that
manifold pressure is set per rating plate
and that correct orifice size installed (See
table page 21.
S Burner getting too much air. Reduce air
shutter opening (not below 1.0).
S Add water - See previous section
ADJUSTMENTS.
S Pressure switch set too high.
S Pressure gauge is not accurate.
S Relief valve is faulty
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