Troubleshooting guide
Girard GSWH-2 low flow or temperature swing
Use this when a Girard GSWH-2 has weak hot-water flow, water not hot enough, water too hot or cold, low campground pressure, filter restriction, or temperature swing.
Use this atlas to identify likely meaning and prepare for service. Shut off power, LP gas, fuel, or water when a listed appliance condition involves flame, gas smell, exhaust, generator shutdown, high temperature, moving jacks/slides, refrigerant, 120 VAC, control boards, repeated ignition failure, or a persistent lockout. Call the appliance maker, RV dealer, or a qualified RV technician for repair.
Owner-safe checklist
- Confirm LP, water, and 12V power are on from normal RV controls and the set temperature is reasonable.
- Try the onboard pump if campground pressure is low, and clean owner-accessible faucet strainers or inlet screens only when the manual allows it.
- Keep shower and fixture handles fully closed between uses so cold water does not bleed through the hot side.
- Call Lippert/Girard or a qualified RV technician for repeated codes, persistent low temperature, low voltage, LP supply, or internal service concerns.
Code tables for these appliances
Related fault codes
- Lippert water heater code E0: Water outlet temperature probe failure
- Lippert water heater code E3: ECO open before ignition or during normal operation, commonly from outlet water temperature above 140 F
- Lippert water heater code E4: Water inlet temperature probe failure
- Lippert water heater code E6: Over temperature because outlet water temperature exceeded 140 F for 3 seconds
Official sources
LippertLippert Girard GSWH-2 Tankless Water Heater Owner's Manual CCD-0006120LippertLippert How Flow Affects Temperature on Girard Tankless Water Heater VideoLippertLippert Water Not Hot Enough on a Girard Tankless Water Heater VideoLippertLippert Water Too Hot or Too Cold on a Girard Tankless Water Heater VideoLippertLippert Tankless Water Heater Quick Operating Tips for Girard GSWH