Brand guide
All Girard water heater guides
Choose the symptom or code that matches your unit. Confirm the exact model and control generation against the rating plate before following model-specific instructions.
Error codes and flashing lights
Girard Tankless Reset Button: Clear a Lockout
How to clear a Girard GSWH-2 lockout with a faucet or 12 V reset, when one reset is reasonable, and which codes or smells mean stop.
No hot waterGirard Tankless Troubleshooting: Codes & Lockouts
Girard RV tankless not heating? Most cases are an E1/E2 ignition lockout, low 12 V, an ECO trip, a probe fault, or freeze mode. What each means.