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Foreman Ductable Dual Fuel Indirect-Fired Heater
Owner’s Manual • Foreman
31
Heating Mode Troubleshooting (cont.)
* Burner fan has operated for 1 minute,
fl
ash pattern observed after lockout button reset.
PROBLEMS
CAUSE
SOLUTION
2 times
Solenoid did not open
Check for power to solenoid
Defective solenoid
Solenoid opens, but gas is not
detected or ignited
Open all gas supply valves
Supply proper gas pressure
Air in gas supply. Purge the air
Defective burner circuit board
Ignition occurs, then goes out
Check
fl
ame sensor for cracks
Check
fl
ame sense connection
Check
fl
ame sensor location
Ground fault issue, poor ground
Improper electrical polarity
Flame sensor touching metal
Solenoid opens, gas is
detected, no ignition.
Check igniter cable
Check igniter gap
Broken insulator on igniter
Defective ignition transformer
No power to ignition transformer
Содержание Foreman CI500
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