Furrion water heater · 2 model lines

Furrion water heater code E5

Furrion documentation describes E5 separately for each model line: Furrion 2.4 GPM tankless water heater (FWH09A) (“Air pressure; Lippert TI-514 clarifies E5 as a blower motor or air pressure switch circuit condition”); Furrion F2GWH tankless water heater (“Blower motor failure”). Compare the wording for your model below.

Check your model first. The same code can mean different things on different models. Find the model number on the appliance's data label, then use the matching row below.

What code E5 means by model

Model lineWhat the manufacturer saysSource
Furrion F2GWH tankless water heaterThe Furrion F2GWH manual lists E5 as blower motor failure.Furrion F2GWH Tankless Water Heater User Manual CCD-0005833
Furrion 2.4 GPM tankless water heater (FWH09A)The Furrion tankless water heater troubleshooting manual lists E5 as air pressure; Lippert TI-514 clarifies E5 as a blower motor or air pressure switch circuit condition.Furrion 2.4GPM Tank-less Gas Water Heater Troubleshooting and Service Manual
Lippert TI-514 Furrion Tankless Water Heater E5 Error Code - Blower Motor or Air Pressure Switch Circuit

What you can safely check

  • Turn the appliance off.
  • Check only for obvious exterior air-intake or exhaust blockage.
  • Contact Furrion or a qualified technician if E5 returns.
  • Check only for obvious exterior vent or exhaust obstruction from outside the RV.
  • Record the water heater model, serial number date code, displayed E5, and whether the blower starts or stops during a call for hot water.

Stop and call a technician for

  • Internal sensor, ignition, flame-sense, ECO, blower, pressure-switch, linear-valve, wiring, and controller diagnosis is qualified service work.
  • Connector, pressure switch, flex tube, Venturi, blower, control-board, wiring, LP, exhaust, and internal water-heater diagnosis is qualified service work.

Do not keep operating a tankless gas water heater with repeated display faults, abnormal heat, blocked exhaust, gas odor, or unstable hot-water temperature.

Do not run a gas water heater with abnormal flame, blocked venting, gas odor, or repeated lockout. Shut off LP/power and call service if the code persists.

Write this down before you call

  • F2GWH model label
  • user control panel code
  • exterior vent condition
  • water-flow state
  • water heater model
  • wall controller display
  • LP supply status

Other codes on Furrion tankless water heaters

Full table: Furrion tankless water heaters

  • E0 Water outlet temperature system fault / Water outlet temperature probe failure
  • E1 Flame sense during ignition / Ignition failure or accidental flame off during ignition
  • E2 Detected fake flame signal / Flame sensing interrupted during normal operation
  • E3 Over temperature mechanical sensor faulty / ECO open before ignition or during normal ope…
  • E4 Water inlet temperature system fault / Water inlet temperature probe failure
  • E6 Temperature surge / Over temperature when outlet water exceeds 140 F for 3 seconds
  • E7 Solenoid valve fault / Linear valve failure
  • E8 Air pressure switch not detected before ignition or cut off during normal operation
  • E9 Flame sensed before ignition
  • En System timer after the water heater ran longer than 20 minutes
  • Fd Winter-use mode or freeze protection; the unit runs briefly and shuts off in freezing con…

Related troubleshooting guides

Official sources