Heartland Appliances Metro Service Manual page 16

Problem Diagnosis Charts
Models 3520/3525; 3620/3625 & 3620B/3625B
Problem
24. Burner electrode continues to
spark after burner has lit
25. Electrodes spark when ignition
switches are in "off" position
26.Grill electrodes continue to
spark after burner has lit
Possible Cause
•
Burner components incorrectly
positioned
•
Cooking utensils too large or
contents spilled over
•
Spark module faulty
•
Burner electrode dirty or
defective
•
Ignition switch faulty
•
Ignition switch wet
•
Spark module faulty
•
Loose ground in range or
defective power cord
•
Valve stem not level - keeping
switch from turning "off"
•
Loose ground in house wiring
or receptacle
•
Air shutter adjustment needed
(too much air)
•
Air shutter adjustment needed
(too much air)
•
Cooking utensils too large or
contents spilled over
•
Spark module faulty
•
Burner electrode dirty or
defective
16
Section 4
Repair/Test Procedure
Check burner caps (Procedure
27)
Check cookware
Check spark module
(Procedure 22)
Check burner electrode
(Procedure 28)
Check ignition switches
(Procedure 23)
Check ignition switches
(Procedure 23)
Check spark module
(Procedure 22)
Check power cord and wiring
(Procedure 3)
Check burner valve (Procedure
29)
Check power supply
(Procedure 1)
Check wiring and connections
(Procedure 1)
Check air shutters (Procedure
26)
Check air shutters (Procedure
26)
Check cookware
Check spark module
(Procedure 22)
Check burner electrode
(Procedure 28)
MLSM2003-01-03