Garland G56PT Installation And Operator's Manual

Also see for Air-Deck G56PB: Installation and operation instructions

Contents

Part # 1382670 (12/07) Page 17INTERMITTENT PILOT INSTRUCTIONS ContinuedNONONONONONONONOSTARTTROUBLE SHOOTINGYesYesYesYesYesYesYesYesYesIS POWER ON -MEASURE 25 VTHERMOSTAT CALLSFOR HEATSPARK ACROSSIGNITER / SENSOR GAPPILOT BURNER LIGHTSSPARK STOPS WHENPILOT IS LITMAIN BURNER LIGHTSSYSTEM RUNS UNTILCALL FOR HEAT ENDSCALL FOR HEAT ENDS:SYSTEM SHUTS OFFTROUBLE SHOOTING ENDSCHECK LINE VOLTAGE POWER, LOW VOLTAGE TRANSFORMER,AND LOW VOLTAGE WIRINGCHECK THERMOSTAT AND CONTROLLERSPULL IGNITION LEADAND CHECK SPARK ATIGNITION STUDCHECK IGNITION CABLE,GROUND WIRING, ELECTRODECERAMIC INSULATOR ANDGAP AND CORRECTCHECK THAT ALL MANUAL GAS COCKS ARE OPEN, SUPPLYTUBING AND PRESSURES ARE GOOD, AND PILOT BURNER ORIFICEIS NOT BLOCKED CHECK ELECTRICAL CONNECTIONS BETWEENCONTROL AND PILOT OPERATOR ON GAS CONTROL CHECK FOR24 V AT TERMINALS 1 & 5, IF NO VOLTAGE REPLACE CONTROLREPLACECHECK CONTINUITY OF IGNITION CABLE AND GROUND WIRECHECK THAT PILOT FLAME COVERS BOTH ELECTRODES IFCHECKS ARE OKAY, REPLACE MODULECHECK FOR 24 V AT TERMINALS 3 & 5 IF NO VOLTAGE REPLACEMODULE CHECK ELECTRICAL CONNECTIONS BETWEENMODULE AND GAS CONTROL IF OKAY, REPLACE GAS CONTROLCHECK CONTINUITY OF IGNITION CABLE AND GROUND WIRENOTE: IF GROUND IS POOR OR ERRATIC SHUTDOWNS MAY OCCUROCCASIONALLY EVEN THOUGH OPERATION IS NORMAL AT THETIME OF THE CHECKOUT CHECK FOR EXCESSIVE HEAT ATELECTRODE INSULATOR (TEMPERATURE ABOUT 600° F (315° C)CAUSES SHORT TO GROUND) IF CHECK ARE OKAY, REPLACEMODULECHECK FOR PROPER THERMOSTAT OR CONTROLLEROPERATION REMOVE AT MODULE; IF VALVE CLOSES, REPLACEMODULE, IF NOT, REPLACE GAS CONTROLREPEAT PROCEDURE UNTIL TROUBLE FREE OPERATION IS OBTAINEDNOTrouble ShootingNOTE: The Electronic S86 Control Module cannot berepaired If troubleshooting indicates a malfunction in theS86 the S86 module must be replaced Intermittent pilotsystems should be serviced only by trained and experiencedpersonnel

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