mypros+
Error code reference

Frigidaire Dishwasher Error Code i4

Unit leaking-some element of the dishwasher is leaking.

Avg. service call
$285
National average. Trip fee plus diagnostic plus labor. Before parts.
MyPros+ 3-day pass
$9.95
Same diagnostic steps, on your phone. Start now.
You keep in your pocket
~$275
Even before you buy the part.
Skip the service call. Fix it yourself.
Full procedure unlocks instantly.
Get Started

What the i4 error code actually means

The i4 code means your Frigidaire dishwasher has detected a water leak somewhere inside the machine. Water has escaped where it should not be and is collecting in the bottom pan of the unit. You should stop using the dishwasher, shut off the water supply if there is visible overflow, and have the leak inspected before running another cycle.

Diagnostic procedure

The full i4 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
If overflow occurs, turn off the main water supply before calling a service provider; remove water from the base pan before restarting.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock i4 procedure $9.95

Or subscribe: $29/month for unlimited access to all codes plus Max AI diagnostics.

Most common causes of i4

Ranked by how often they cause this code
  1. 1Damaged or worn door gasket
  2. 2Leaking water inlet valve
  3. 3Loose or damaged drain hose connection
  4. 4Failed circulation pump or pump housing seal
  5. 5Overfilling due to faulty float switch

Most DIYers save hundreds by diagnosing before ordering parts.

Get Started

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

Questions people ask about i4

What does i4 mean on a Frigidaire dishwasher?
The i4 code means the dishwasher has detected a leak and water has collected in the base pan at the bottom of the unit. The appliance stops running to prevent further water damage. You need to identify and repair the source of the leak before the dishwasher can be used safely again. Common sources include the door gasket, inlet valve, drain hose, or pump seals.
Will resetting the dishwasher clear the i4 error code?
A reset may temporarily clear the i4 code, but it will return as soon as the dishwasher runs again if the underlying leak has not been fixed. Before restarting, you must remove all standing water from the base pan. Resetting without repairing the cause of the leak does not resolve the problem and risks further water damage.
How much does it cost to repair an i4 leak error on a Frigidaire dishwasher?
Repair costs vary widely depending on the source of the leak. A door gasket replacement is generally on the lower end of the cost range, typically between $20 and $80 for the part plus labor if applicable. Inlet valve or circulation pump replacements can run between $75 and $250 or more depending on parts and labor rates in your area. Diagnosing the exact leak source before ordering parts will help avoid unnecessary expense.
Is it safe to keep using my dishwasher when the i4 code is showing?
No, you should not continue running the dishwasher while the i4 code is active. A confirmed leak can cause water damage to your flooring, cabinetry, and subfloor. If there is visible overflow from the unit, shut off the water supply valve under the sink immediately. Resume use only after the leak source has been identified and repaired.
How do I fix the i4 error code on a Frigidaire dishwasher?
Start by shutting off the water supply and removing any water from the base pan. Then inspect the door gasket for cracks or separation, check hose connections for looseness, and look for signs of dripping around the inlet valve and pump area. If the leak source is a worn gasket or loose hose clamp, the repair may be straightforward. Internal pump or valve failures typically require part replacement and may need a qualified technician.

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

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