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Lippert ยท 18 codes

Lippert Girard tankless water heater fault codes

Every fault code, display message, and status light listed in Lippert's manuals for Girard GSWH-2; Girard GSWH-1; Girard GSWH-1M. Select a code for what it means, what you can safely check, and when to call a technician.

Confirm your model

Codes are model-specific. Match the model number on the appliance data label to one of these before using the table:

Girard GSWH-2, Girard GSWH-1, Girard GSWH-1M

Where to look and what to record

  • Girard GSWH-2 model label
  • user control panel code
  • set and displayed temperature
  • hot-water flow state
  • LP and 12V status
  • Girard GSWH-1 model label
  • diagnostic LED blink pattern
  • power switch state

Code table

CodeWhat the manufacturer saysListed for
E0Water outlet temperature probe failureGirard GSWH-2
E1Ignition failure or accidental flame off during ignitionGirard GSWH-2
E2Flame sensing interrupted during normal operation and the buzzer will soundGirard GSWH-2
E3ECO open before ignition or during normal operation, commonly from outlet water temperature above 140 FGirard GSWH-2
E4Water inlet temperature probe failureGirard GSWH-2
E5Blower motor failure because no motor signal was detected before ignition or during operationGirard GSWH-2
E6Over temperature because outlet water temperature exceeded 140 F for 3 secondsGirard GSWH-2
E7Linear valve failure detected in the control circuit before ignition or during operationGirard GSWH-2
E8Air pressure switch not detected before ignition or cut off during normal operationGirard GSWH-2
E9Flame sensor error because flame is sensed before ignition and the buzzer will soundGirard GSWH-2
EnSystem timer because the water heater ran longer than 20 minutesGirard GSWH-2
FdFd as winter-use mode or freeze protection; the unit may run briefly and shut off in freezing conditions when LP gas and 12V power are on, but this protects only the water-heater heat exchanger and not the RV plumbing system.Girard GSWH-2
steady onInternal control faultGirard GSWH-1; Girard GSWH-1M
1 flashAir faultGirard GSWH-1; Girard GSWH-1M
2 flashesFlame detection errorGirard GSWH-1; Girard GSWH-1M
3 flashesLockoutGirard GSWH-1; Girard GSWH-1M
4 flashesIntentionally NA and reserved for future diagnosticsGirard GSWH-1; Girard GSWH-1M
5 flashesLow voltageGirard GSWH-1; Girard GSWH-1M

The legacy Girard GSWH-1/GSWH-1M is an LP gas tankless water heater. Shut the heater off for gas odor, overheating, leaks, blocked exhaust, repeated lockout, or repeated LED faults and use Lippert/Girard or qualified RV service.

Troubleshooting guides

Official manuals and support pages

LippertLippert Girard GSWH-2 Tankless Water Heater Owner's Manual CCD-0006120LippertLippert Tankless Water Heater Model GSWH-1 Owner's Manual - EN/FRLippertLippert Tankless Water Heater Model GSWH-1M Owner's Manual - EN/FR