Bradford White · Heat pump RE2H (-1NCWT models)
Bradford White Heat pump RE2H (-1NCWT models) error code DirtyFilter (F14)
What it means
Filter LED is on, and audible alarm is sounding. Filter is too dirty to enable proper function of unit. Number of "Dirty Filter" counts are stored in the "F14" code and can be monitored via the Control when it is placed in Diagnostics Mode. The evaporator is operating at a colder temperature than the ambient temperature as measured by T5.
The manual says the control must detect this 5 time(s) before the code is displayed.
What Bradford White says to do
These steps involve electrical testing or parts replacement. Bradford White's manuals tell owners to leave that work to a qualified service technician.
Check to ensure Filter is clean. Filter cleaning instructions are found in the owner's manual. Repeated dirty filter alarms that do not resolve by cleaning are an indication of a sealed system leak. Find and repair AND flash software to version 4.21 or later, or replace control.
Last checked 2026-10-03.
Safety first
- DISCONNECT POWER BEFORE SERVICING. IMPORTANT: RECONNECT ALL GROUNDING DEVICES. All parts capable of conducting electrical current are grounded; grounding wires, screws, straps, clips, nuts or washers removed for service must be returned to their original condition and properly fastened. (p.1)
From the manufacturer's manual for this series.
The same code on other models
Codes mean different things on different heaters. Match the series to the model number on your rating label.
- Bradford White AeroTherm (RE2H…-1NCTT models): Dirty Filter (F14)
- GE GeoSpring GEH50DEED (2012–2014): Dirty Filter (F14)
- GE GeoSpring DEEJS / DFEJS (2015–2016): Dirty Filter (F14)
- GE Profile GEOSPRING Smart (PF / PH, 2025 on): F14