Lippert water heater · 1 model line

Lippert water heater code E1: Ignition failure or accidental flame off during ignition

Lippert documentation lists E1 as “Ignition failure or accidental flame off during ignition”.

What code E1 means by model

Model lineWhat the manufacturer saysSource
Girard GSWH-2The Lippert Girard GSWH-2 owner manual lists E1 as ignition failure or accidental flame off during ignition.Lippert Girard GSWH-2 Tankless Water Heater Owner's Manual CCD-0006120

What you can safely check

  • Turn the hot-water faucet off and back on once only from normal controls if the manual reset applies.
  • Confirm the LP tank has fuel and normal RV controls are on before one restart.
  • Record the code, set temperature, water-flow state, and whether this was first startup after LP service.
  • Contact Lippert/Girard or a qualified technician if E1 returns.

Stop and call a technician for

  • Internal sensor, ignition, flame-sense, ECO, blower, pressure-switch, linear-valve, wiring, gas, and controller diagnosis is qualified service work.

The Girard GSWH-2 is an LP gas tankless water heater. Shut the heater off for gas odor, overheating, leaks, blocked exhaust, or repeated faults and use Lippert/Girard or qualified RV service.

Write this down before you call

  • Girard GSWH-2 model label
  • user control panel code
  • set and displayed temperature
  • water-flow state
  • LP and 12V status

Other codes on Lippert Girard tankless water heaters

Full table: Lippert Girard tankless water heaters

  • E0 Water outlet temperature probe failure
  • E2 Flame sensing interrupted during normal operation and the buzzer will sound
  • E3 ECO open before ignition or during normal operation, commonly from outlet water temperatu…
  • E4 Water inlet temperature probe failure
  • E5 Blower motor failure because no motor signal was detected before ignition or during opera…
  • E6 Over temperature because outlet water temperature exceeded 140 F for 3 seconds
  • E7 Linear valve failure detected in the control circuit before ignition or during operation
  • E8 Air pressure switch not detected before ignition or cut off during normal operation
  • E9 Flame sensor error because flame is sensed before ignition and the buzzer will sound
  • En System timer because the water heater ran longer than 20 minutes
  • Fd Fd as winter-use mode or freeze protection; the unit may run briefly and shut off in free…
  • steady on Internal control fault
  • 1 flash Air fault
  • 2 flashes Flame detection error
  • 3 flashes Lockout
  • 4 flashes Intentionally NA and reserved for future diagnostics
  • 5 flashes Low voltage

Related troubleshooting guides

Official sources