ErrorCodePro · Appliance Error CodesDacor Dishwasher Error Code F4: Meaning & How to Fix It
By the ErrorCodePro Editorial Team · Last reviewed October 20, 2026
Dacor dishwasher error code F4 means: No signal from the water pressure switch. [1] Keep using it? Only if the owner checks below clear the code; if it returns, stop and book a repair. Start with the owner checks below, beginning with: write down the code and model number.
Source: Dacor dishwasher error-code chart, via Sears PartsDirect [1].
Quick facts
| Code | F4 |
|---|---|
| Also shown as | None listed by the manufacturer |
| Brand / appliance | Dacor dishwasher |
| System | Sensors |
| Meaning (service chart) | No signal from the water pressure switch. [1] |
| Keep using it? | Only if the owner checks below clear the code; if it returns, stop and book a repair |
| DIY-safe? | Owner checks only (listed below) |
| Support | Dacor customer support (see your owner's manual) |
| Source document | Dacor dishwasher error-code chart (via Sears PartsDirect) |
On this page: Meaning · Steps · Parts · When to call a technician · Related codes · FAQ
What error code F4 means on a Dacor dishwasher
No signal from the water pressure switch. [1]
This is a sensors code. Codes and wording can vary by model, so check your owner's manual for your model number.
How to fix Dacor dishwasher error code F4 (safe owner checks)
- Write down the code and model number. Note exactly what the display shows (F4) and copy the full model number from the rating label, so you can confirm this chart applies to your dishwasher and order the right parts.
- Check the power supply. Unplug the dishwasher or shut off the house circuit breaker to disconnect electrical power.
- Remove the lower access panel. Remove the lower access panel.
- Test and decide. Run a short cycle or restart and watch the display. If F4 comes back after these checks, stop using the dishwasher for this function and call a technician, because the remaining causes need meters or part replacement.
The first and last steps (and the power reset) are general owner checks added by ErrorCodePro; the rest follow the Dacor dishwasher error-code chart published by Sears PartsDirect, rewritten for safe owner use.
Parts that may be involved
Exact parts depend on your model number. This page lists part types only, never part numbers.
- Water pressure switch
- Wire harness
When to call a technician
- Technician: check wire harness connections.
- Reconnect any loose wires on wire harness for the water pressure switch.
- Technician: replace the wire harness if damaged.
- If the wire connections are okay, a technician should replace the water pressure switch.
- Anything involving wiring, the control board, the motor or the water valve electrics
- The appliance is under warranty: contact Dacor customer support (see your owner's manual) first
Related error codes
Frequently asked questions
What does error code F4 mean on a Dacor dishwasher?
The Dacor dishwasher error-code chart lists F4 as follows: No signal from the water pressure switch.
Is it safe to keep using the dishwasher with F4?
Only if the owner checks below clear the code; if it returns, stop and book a repair.
Can I fix Dacor dishwasher error F4 myself?
Only with the owner checks on this page, starting with: write down the code and model number. If it persists, call a technician or Dacor customer support (see your owner's manual).
Sources
- Sears PartsDirect: Dacor dishwasher error-code chart (third-party copy of manufacturer service data)
Last reviewed: October 20, 2026. ErrorCodePro is not affiliated with Dacor.