Error code reference

Hotpoint Washer Error Code F04

Pressure switch jammed on empty - machine continually fills until overfill safety level.

SourceHotpoint Aquarius Washing Machines - Service Manual: 3-Phase Modelsp. 21-22

Diagnostic procedure

The full F04 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check efficiency of edge connector J3 on module. Check pressure switch connection. Check pressure chamber/tube is not blocked with sludge.

SourceHotpoint Aquarius Washing Machines - Service Manual: 3-Phase Modelsp. 21-22

More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock F04 procedure $9.95

Or subscribe: $29/month for all codes plus Max diagnostics, with 70 Max messages a day. Plus applicable tax.

Where this code is documented

9 manuals in the MyPros+ library document this code for Hotpoint washer.

Models covered by the manuals that document this code

75,000+ service documents · 20,000+ error codes · 100+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass · Plus applicable tax