START
TURN GAS SUPPLY OFF,
TURN THERMOSTAT
(CONTROLLER) TO CALL
FOR HEAT
POWER TO MODULE
(24V NOMINAL)
YES
SPARK ACROSS
IGNITER/SENSOR GAP
YES
TURN GAS SUPPLY ON
PILOT BURNER LIGHTS?
YES
SPARKS STOP WHEN
PILOT IS LIT?
YES
MAIN BURNER LIGHTS?
YES
SYSTEM RUNS UNTIL CALL FOR HEAT ENDS?
YES
CALL FOR HEAT END
SYSTEM SHUTS OFF?
YES
S8600, S8610 TROUBLESHOOTING GUIDE
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| NOTE: Before troubleshooting, familiarize yourself with the start up and checkout procedure. | ||||
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| Check line voltage power, low voltage transformer, limit controller, thermostat (controller) and | ||||
| wiring. Also, check air proving switch on combustion air blower system (if used) and that vent | |||||
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| damper (if used) is open and end switch is made. | ||||
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| Pull ignition lead and |
| • On modules with vent damper plug, make sure | ||
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| check spark at module |
| vent damper has not been installed, then | ||
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| NO | removed. Replace vent damper if necessary. |
NO |
| Spark okay? |
| • On other models, replace module. | ||
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| YES |
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| • Check ignition cable, ground wiring, ceramic insulator and gap, and correct. | ||||
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| • Check boot of the ignition cable for signs of melting or buckling. Take protective | ||||
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| action to shield cable and boot from excessive temperatures. | ||||
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NO | • Check that all manual gas valves ar open, supply tubing and pressures are good, and pilot |
| burner orifice is not blocked. |
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•Check electrical connections between module and pilot operator on gas control.
•Check for 24 Vac across
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| NOTE: If S8600B, H; S8610B, H goes into lockout, reset system. For S8600M, wait 6 min. |
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| norm. for retry or reset system. |
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| • Check continuity of ignition cable and ground wire. |
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| • Clean flame rod. |
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| • Check electrical connections between flame rod and module. |
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| • Check for cracked ceramic flame rod insulator. |
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| • Check that pilot flame covers flame rod and is steady and blue. |
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| • Adjust pilot flame. |
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| • If problem persists, replace the module. |
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| • Check for 24 Vac across |
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| • Check electrical connections between module and gas control. If okay, replace gas control |
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| or gas control operator. |
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| NOTE: If S8600B, H; S8610B, H goes into lockout, reset system. For S8600M, wait 6 min. |
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| norm. for retry or reset system. |
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| • Check continuity of ignition cable and ground wire. |
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| NOTE: If ground is poor or erratic, shutdowns may occur occasionally even though operation |
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| is normal at the time of checkout. |
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| • Check that pilot flame covers flame rod and is steady and blue. |
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| • If checks are okay, replace the module. |
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NO | • Check for proper thermostat (controller) operation. |
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•Remove MV lead at module; if valve closes, recheck temperature controller and wiring; if not, replace gas control.
TROUBLESHOOTING
ENDS
Repeat procedure until trouble free operation is obtained.
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