Bradford White · Heat pump RE2H (-1NCWT models)
Bradford White Heat pump RE2H (-1NCWT models) error code FF
What it means
Control checks to ensure the Electronic Expansion Valve (EEV) is operating properly and valve rotation is within range.
The manual says the control must detect this 10 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.
Probable refrigerant leak. Find and Repair. Check EEV wiring at control, placement of EEV coil on EEV valve body, and operation. Confirm audible pulse of valve homing sequence at power restart. Check T3a and T3b sensors mounting, wiring and resistance.
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.