mypros+
Error code reference

Electrolux Washer Error Code H1/B1

Frequency of power out of limits.

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 H1/B1 error code actually means

Your Electrolux washer is detecting that the electrical power coming into it is not running at the correct frequency, meaning the power supply from your home or utility is outside of normal range. This is usually a problem with your home's electrical wiring, circuit breaker, or the power coming from the utility, not a broken part inside the washer itself. You should have an electrician or qualified technician check the outlet and circuit the washer is connected to.

Diagnostic procedure

The full H1/B1 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
Refer to test (18) - Check power in for voltage under load.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock H1/B1 procedure $9.95

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

Most common causes of H1/B1

Ranked by how often they cause this code
  1. 1Utility supply frequency instability
  2. 2Overloaded or shared circuit
  3. 3Failing or weak circuit breaker
  4. 4Loose or corroded wiring connections
  5. 5Faulty wall outlet

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 H1/B1

What does H1/B1 mean on a Electrolux washer?
The H1/B1 code means the washer has detected that the frequency of the incoming electrical power supply is outside of acceptable limits. This is not typically caused by a failed internal washer component but rather by an issue with the power being delivered to the machine. The recommended first diagnostic step is Test 18, which checks the incoming power voltage under load conditions.
Is it safe to keep using my Electrolux washer when H1/B1 is displayed?
You should not continue running the washer while this code is active. Abnormal power frequency can damage the motor control board, drive motor, and other sensitive electronics inside the machine. Address the power supply issue before resuming operation to avoid potentially costly component damage.
How much does it cost to fix an H1/B1 error on an Electrolux washer?
Repair costs vary depending on what is causing the power frequency issue. If the problem is a faulty wall outlet, costs are typically in the range of $50 to $150 for parts and labor. A circuit breaker replacement may run $100 to $250. If the issue originates with the utility supply or requires rewiring, costs can be higher. In cases where internal washer components were damaged by the abnormal power, additional parts and labor costs would apply.
Can I fix the H1/B1 error on my Electrolux washer myself?
Some causes, such as an overloaded circuit or a loose outlet connection, may be within reach of a knowledgeable DIYer. However, diagnosing frequency instability under load requires a multimeter with frequency measurement capability and safe handling of live electrical circuits. Issues involving the breaker panel or utility supply should be handled by a licensed electrician.
Will resetting my Electrolux washer clear the H1/B1 error?
A reset may temporarily clear the code, but it will return if the underlying power supply issue has not been corrected. Because this fault is triggered by conditions outside the washer, such as incoming power frequency, simply resetting the machine does not address the root cause. Test 18 should be performed to confirm the power supply is within proper limits before returning the washer to service.

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

Get Started

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