rigprobe.com

Fault codes / Furrion FWH09 / E7

Furrion FWH09 code E7

What it means: Solenoid fault.

What to check

Check the solenoid plug and coil resistance. Replace the valve assembly if open.

Learn the system

Practice it on a service call

Guided diagnosis

Other Furrion FWH09 codes

Full field guide: Furrion FWH09 tankless water heater

Codes come from the maker manuals and public service sheets. Your model's own chart always wins, and LP and 120 volt work belongs to a qualified technician.