Heating Mode Troubleshooting - L.B. White Foreman CI500 Manuel Du Propriétaire

Heating Mode Troubleshooting

Problem
Power & Thermostat status LED are ON, trip
high limit LED ON
Only the power status LED is ON
Power, Thermostat, and Main motor status
LED's are ON, main fan motor not operating
Problem
Solenoid will not open
Solenoid opens, but fuel oil not detected or
ignited
Solenoid opens, fuel is detected, but no ignition Check ignition transformer springs
Ignition occurs, then goes out
Foreman Ductable Oil Indirect-Fired Heater
Solution
Check both high limit switches, reset or
replace.
Thermostat is below set point, adjust thermo-
stat setting or T-stat switch
Main fan motor defective, replace motor
Faulty heater controller
Bad relay
Solution
Check for power to solenoid
Defective solenoid, replace
Open all manual shut-off valves
Check pump pressure
No fuel
Defective pump coupler
Check igniter gap
Defective ignition transformer
Check cad cell for defect or crack
Check cad cell connection
Check cad cell location
Ground fault issue
Improper electrical wire gauge size
Owner's Manual • Foreman
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