TROUBLE SHOOTING:
Before diagnosing any machine for defective components check the following items:
vCheck all power cords and appropriate circuit breakers to ensure that electrical power is supplied to the machine.
vCheck all machine gas shut off valves to ensure that gas is supplied to the machine.
vCheck all machine fuses.
vCheck any appropriate electrical connections within the machine.
vCheck all appropriate switches and gas valve knobs to ensure that machine is operated correctly.
35C+, 7, 14, 18, 24, 34 & 14R with NO options:
SYMPTOM | POSSIBLE CAUSES |
Pilot will NOT light, when depressing the Gas Valve Knob. | Plugged pilot orifice. |
Pilot lights, goes out when Gas Valve Knob is released. | Defective Thermocouple. |
| Defective or Tripped Hi Limit. |
| Defective Pilot Solenoid. |
| Defective Hi Limit Wire. |
Main Burners will NOT ignite. | Defective Gas Valve. |
| Defective Thermostat. |
| Plugged Regulator Vent cap. |
The temperature of the oil is constant but not maintaining | Defective Thermostat. |
the desired level. | Defective Gas Valve. |
The temperature of the oil is erratic. | Defective Thermostat. |
| Defective Gas Valve. |
Main Burners run constantly. | Defective Thermostat. |
| Leaks in the Gas Valve to Thermostat tubing. |
| Defective Gas Valve. |
Computer will NOT light. | Defective |
| Defective Computer. |
Computer Option:
Computer Display shows PROBE. | Defective Probe. |
Computer shows a display but Main Burners will NOT | Defective K6 Relay. |
light. | Defective K1 Relay. |
| Defective Electronic Ignition Module (if equipped). |
| Defective Gas Valve. |
Computer shows a display but Main Burners can be | Defective K5 Relay. |
controlled by the Back Up Thermostat. |
|
Electronic Ignition Option:
Temperature control calls for heating, nothing else | Defective Electronic ignition Module. |
happens. | Defective Spark Wire/Pilot assembly. |
Spark sound can be heard but pilot does Not light. | Defective Electronic Ignition Module. |
| Plugged Pilot orifice. |
| Defective Pilot Solenoid. |
Pilot lights but sparking continues. | Defective Electronic Ignition Module. |
| Defective Flame sensor. |
Pilot lights normally but Main Burners do NOT ignite. | Defective Electronic Ignition Module. |
| Defective Main Burner Solenoid. |
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