mypros+
Error code reference

Frigidaire Dishwasher Error Code iF1

High water level

Frigidaire codesFrigidaire dishwasher codes
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 iF1 error code actually means

Your Frigidaire dishwasher detected too much water inside the tub and automatically started draining to protect your home from a potential overflow. This usually happens because of a blockage or buildup inside the dishwasher that is either letting in too much water or preventing it from draining properly. You will need to find and clear whatever is causing the water level to get too high before the dishwasher can run a normal cycle again.

Diagnostic procedure

The full iF1 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 for buildup of soils in sump
Unlock with pass
Unlock with pass
Unlock with pass
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock iF1 procedure $9.95

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

Most common causes of iF1

Ranked by how often they cause this code
  1. 1Sump soil and debris buildup
  2. 2Clogged or kinked drain hose
  3. 3Faulty water inlet valve
  4. 4Defective float or pressure switch
  5. 5Blocked or failed drain pump

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 iF1

What does iF1 mean on a Frigidaire dishwasher?
The iF1 code means the dishwasher detected a water level inside the tub that exceeded the safety threshold for more than 4 seconds. In response, the control board automatically activates the drain pump to bring the water level back down to a safe point. The code is a protective alert indicating that water is either entering too fast, not draining fast enough, or the level sensor is malfunctioning.
Is the iF1 error on a Frigidaire dishwasher dangerous?
The iF1 code itself represents a safety feature, not a dangerous failure. The dishwasher is designed to detect the high water condition and drain automatically to prevent an overflow. However, you should address the underlying cause promptly, since a continuously running inlet valve or a completely blocked drain could eventually lead to water escaping the tub if the safety drain cycle cannot keep pace.
How much does it cost to repair a Frigidaire dishwasher showing iF1?
If the fix only requires cleaning the sump and drain components, the repair costs nothing beyond your time. If a part needs to be replaced, costs vary depending on the component: a drain pump or water inlet valve typically runs between $25 and $80 for the part alone, while a professional repair including labor can range from $100 to $250 or more depending on your location and the specific part required.
How do I fix the iF1 error on my Frigidaire dishwasher?
Start by cleaning any soil or debris buildup from the sump area at the bottom of the dishwasher tub, as this is the most common cause. Next, inspect the drain hose for kinks or blockages and check that the drain pump filter is clear. If the error persists after cleaning, the water inlet valve, float switch, or pressure switch may need to be tested and potentially replaced.
Will resetting my Frigidaire dishwasher clear the iF1 code?
A reset may temporarily clear the iF1 code, but the error will return if the underlying cause has not been corrected. Simply cycling the power does not fix sump buildup, a faulty inlet valve, or a drain restriction. It is best to diagnose and resolve the root cause before running another wash cycle to avoid repeating the fault condition.

Related Frigidaire dishwasher error codes

All Frigidaire dishwasher codes

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

Get Started

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