Girard RV fault codes

Girard makes RV tankless water heaters and awnings. The tankless heaters show E-codes on the control board or remote for ignition, flame, water-flow and overheat faults.

Water Heater

E0
The outlet (hot side) water temperature sensor reads an … E1
Ignition failure. The igniter sparked but the board neve… E2
Flame sensing was interrupted during normal operation. T… E3
The ECO — the over-temperature cut-off thermostat — open… E4
The inlet (cold side) water temperature sensor reads an … E5
Blower/fan motor fault. The control board commanded the … E6
Over-temperature. The outlet water temperature exceeded … E7
Linear valve failure. The controller detected an open ci… E8
Air pressure (vacuum) switch fault. The switch that conf… E9
Flame sensor fault, and specifically the inverted case: … En / End
Not a fault. This is the system timer: the board ends th…