GE SG50T12TVT Use and Care Manual - Page 31

Customer Service Gas Valve LED Codes Troubleshooting Tips Care and Cleaning Operating Instructions Installation Instructions Safety Instructions LCD CODE For Optional GAS VALVE LED STATUS/PROBLEM Display PROBABLE CAUSE SOLUTION None Short flash once IDLE (no call for heat, Temperature setpoint achieved every four seconds no fault conditions) and burner is off No solution required None "Heartbeat", alter- Call For Heat (no fault Water temperature is below set- nates bright/dim conditions) point and burner is on No solution required 12 One Flash, three second pause Low flame signal (con- Pilot tube restriction, carbon trol continues to oper- buildup on electrode, pilot wire ate) damage or gas supply 1. Gas supply pressure is low 2. Low voltage supply 3. Pilot replacement 44 Two Flash, three Pressure switch failed Pressure switch tube blockage or 1. Pressure switch wiring incorrect second pause. closed faulty pressure switch. 2. Replace pressure switch 46 Three Flash, three second pause Pressure switch failed open. Vent blockage or improper insallation, switch tube blockage, faulty switch, blower improper operation or temperature switch open 1. Pressure switch wiring incorrect 2. Replace pressure switch 3. A ir intake or exhaust obstructed 4. R eplace blower temperature switch 5. Replace blower 31 Four Flash, three second pause TCO limit lockout Thermal well fault, gas control fault or tank is not filled with water 1. Reset valve and check for proper valve cycling 2. Make sure tank is full of water 14 Five Flash, three second pause Flame out of sequence Pilot or burner valve has failed open 1. Replace gas valve control 11 Six-One Flash, three second pause Failed trial for ignition Insufficient gas supply, unstable pilot, carbon buildup on electrode or wire/pilot tube damage 1. Check gas supply 2. Replace pilot 1. P ressure switch wiring incorrect Vent blockage or improper installa- 2. Replace pressure switch 45 Six-Two Flash, three second pause Recycle limit - PS/limit opened tion, switch tube blockage, faulty 3. A ir intake or exhaust obstructed switch, blower improper operation, 4. R eplace blower temperature switch blower temperature switch open or 5. Replace blower excessive wind at vent termination 6. C heck for vent termination compli- ance as stated in this manual 13 Six-Three Flash, three second pause Recycle limit - flame lost Pilot tube restriction, low gas supply pressure, carbon buildup on electrode, wire/pilot tube damage or combustion air port blockage 1. Gas supply pressure is low 2. Jacket air holes obstructed 3. Pilot replacement 14 Six-Four Flash, three second pause Soft Lockout - flame out of sequence sensed Valve stuck in open position 1. Replace gas valve control 1. Verify no gasoline or flammable va- 47 Seven Flash, three Flammable vapor sen- second pause sor lockout Gasoline or other flammable gas was detected near the appliance or the sensor has failed pors are present 2. R eset control using ON/OFF switch on the gas control valve 3. Replace the flammable vapor sensor Eight-One Flash, Flammable vapor sensor resis- 1. Replace FV sensor 49 three second FVS fault detected tance is out of range, wiring to FV 2. Replace FV sensor wiring pause sensor is faulty or control is faulty 3. Replace gas control valve 89 Eight-Two Flash, three second pause Temperature sensor fault detected Thermal well fault 1. Check thermal well wiring connection 2. Replace thermal well 15 Eight-Three Flash, three second pause Electronics fault detected Thermal well fault or gas control 1. Replace gas control valve fault 2. Replace thermal well 93 Eight-Four Flash, three second Valve fault detected pause Gas control valve needs to be re- 1. Cycle power to gas control valve set or has been damaged 2. Replace gas control valve CAUTION: Make certain power to water heater is "OFF" before removing protective cover FOR ANY REASON. CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. VERIFY PROPER OPERATION AFTER SERVICING. CAUTION: For your safety DO NOT attempt repair of gas piping, remote control, burners, vent connectors or other safety devices. Refer repairs to qualified service personnel. 31