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N
G
& LP M
AT
AS
No spark at electrodes
1. Is burner blower operating? Possible defective blower motor.
2. Clean electrodes and pilot igniter assembly. Apply heat if moisture is present.
3. Check electrode position. See drawing in Midco manual for proper adjustment.
4. Defective Honeywell Control Board. Check voltage to 25V terminal on board.
5. Check service breaker, timer, electrical connections, and polarity.
Spark but no ignition
6. Confirm gas pressure. LP gas @ 11" WC or NAT gas @ 7" WC.
7. Clean electrodes and pilot igniter assembly. Apply heat if moisture is present.
8. Check electrode position. See drawing in Midco manual for proper adjustment.
9. Listen to confirm that solenoid gas valve is opening. Possible defective gas valve.
10. Check for dirt in brass pilot orifice tee.
If incinerator does not burn properly
11. Have the ashes been removed at the beginning of the day?
12. Be sure there is no obstruction blocking the burner tube.
13. Is the air shutter in the full open position? See diagram in "BURNER SETTINGS" section of
this manual.
14. Check gas pressure while the burner is burning. LP gas @ 11" WC or NAT gas @ 7" WC.
F
O
M
UEL
IL
ODELS
No spark at electrodes
1. Be sure there is no obstruction in the end of the burner tube and there is no soot
build-up on the retention head, electrodes or nozzle.
2. Check all electrical connections.
3. Transformer may be burned out. Listen or look to see if there is an arc across
the electrodes. Replace transformer if no spark is present.
4. Check for damage to electrodes.
5. Improper firing head adjustment. See Beckett burner installation manual.
No oil spray through nozzle
1. Defective motor. Check to see if blower wheel is turning. If not, check electrical
connections and voltage to motor.
2. Air in fuel line. Check all fittings between burners and at fuel tank for tightness.
Air may be bled from the fuel line at the fuel pump.
3. Dirt or water in oil tank.
4. Check the plastic coupling between motor and pump for tight fit.
5. Check for clogged filter at tank or on nozzle.
6. Be sure there are no kinks in the oil line.
7. Check the tubing between the pump and nozzle for blockage.
8. Defective pump.
If incinerator does not burn properly
1. Confirm No. 1 Fuel Oil (Kerosene) or No. 2 Fuel Oil (Diesel) is being used.
2. Are ashes or other obstructions blocking the burner tube?
3. Are the air bands adjusted correctly?
P77-3 SC30 Manual 9.27.2019
TROUBLE SHOOTING
ODELS
Page 27
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