Girard GSWH-2 error code E2
Flame sensing interrupted during normal operation (buzzer sounds). Board saw flame at ignition, lost it during run. Same root causes as E1 plus flame-sense-probe issues.
What to check, and in what order, is in the app. The flow Girard GSWH-2 / GSWH-1 / GSWH-2S — error code / symptom diagnostic walks this code step by step with the pass/fail measurements, wiring schematics and procedures that go with it, and it works offline in the bay.
Start free trial 14 days free, no card neededDocumented in
- Girard_GSWH-2_Service_Manual.txt
Related codes
- E0Water outlet temperature probe (thermistor) failure — open or short…
- E1Ignition failure or flame-out during ignition trial — board made 2…
- E3ECO (Emergency Cut Off / high-limit) thermostat opened — outlet water…
- E4Water inlet temperature probe (thermistor) failure — open or short…
- E5Blower motor failure — no motor signal detected by the control board…
- E6Over-temperature — outlet thermistor measured water temperature above…
All Water Heater — Tankless error codes · Look up another code