Furrion FWHO42SB1 (tankless) error code E7
Solenoid valve fault - the gas valve solenoids (proportional and main, both wired to the control board) failed a check. System Fault - contact Furrion.
What to check, and in what order, is in the app. A step-by-step flow walks this code 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
- Furrion 6L Tankless Gas Water Heater Instruction Manual - FWHO42SB1 (Lippert PN 2026079760), CCD-0011284 V1.0 Rev 09-12-26Furrion (Lippert)
Related codes
- E3Over temperature mechanical sensor faulty - the water…
- E4Water inlet temperature (sensor) - System Fault, contact Furrion. The…
- E5Air pressure - combustion-air / exhaust proving failed. Causes…
- E6Temperature Surge - outlet temperature moved outside the expected…
- E8Fan speed exceeds normal operating range - the flue fan over-speeds.…
All Water Heater — Tankless error codes · Look up another code