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Error code reference

Electrolux Dryer Error Code E5H

Input voltage is lower than 175 V

Electrolux codesElectrolux dryer codes

Input voltage is lower than 175 V — faulty wiring or inverter board faulty.

First step from the service manual

Check input voltage and wiring; check inverter board.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What E5H means on a Electrolux dryer

The E5H error code on an Electrolux dryer indicates that the input voltage has dropped below 175 volts. This code is generated when the inverter board detects insufficient supply voltage coming into the dryer. Modern Electrolux dryers with inverter-driven motors rely on stable voltage levels to operate the drive system safely, and when voltage falls below the 175V threshold, the control system halts operation to prevent damage to the inverter board and motor.

The two primary sources of this fault are a problem in the electrical supply wiring or a failure of the inverter board itself. On the wiring side, loose connections at the terminal block, a degraded power cord, a weak or failing household circuit breaker, or high resistance joints anywhere in the supply path can all cause voltage to sag below the minimum threshold. It is also possible that utility-side voltage fluctuations or a shared circuit with heavy loads is pulling the supply voltage down.

If the supply voltage measures within normal range at the terminal block but the E5H code persists, the inverter board itself is likely at fault. The inverter board contains internal sensing circuits that monitor incoming voltage, and a defective board may report an undervoltage condition even when supply voltage is adequate. Diagnosing this code requires a multimeter check of actual input voltage at the dryer terminal block before condemning any component.

Source: manufacturer service documentation.

Common causes of E5H

  1. 01

    Low or unstable household supply voltage

    Wiring / connection

    If the home circuit is supplying less than 175V due to a weak breaker, overloaded circuit, or utility-side voltage sag, the dryer will trigger E5H. Measure voltage at the wall outlet or terminal block with a multimeter while the dryer is under load to confirm.

  2. 02

    Loose or damaged wiring at the terminal block

    Wiring / connection

    A loose, corroded, or burnt connection at the dryer's terminal block creates resistance that drops the effective voltage seen by the inverter board. Inspect all terminal block connections for discoloration, looseness, or heat damage.

  3. 03

    Degraded or damaged power cord

    Part replacement

    A power cord with a broken conductor, damaged insulation, or a poorly seated plug connection can cause a voltage drop significant enough to trigger E5H. Inspect the cord and plug for visible damage and check continuity with a multimeter.

  4. 04

    Faulty circuit breaker

    Part replacement

    A breaker that is failing or not holding proper contact can cause intermittent undervoltage conditions at the dryer. If measured voltage at the outlet is low or unstable, the breaker should be tested and replaced by a qualified electrician.

  5. 05

    Defective inverter board

    Part replacement

    If supply voltage is confirmed normal at the terminal block but the E5H code continues, the inverter board's internal voltage sensing circuit may be faulty. A defective inverter board will need to be replaced to resolve the fault.

See the test procedure for each cause

Frequently asked questions about E5H

What does E5H mean on a Electrolux dryer?
E5H means the dryer's inverter board has detected input voltage below 175 volts. The dryer shuts down to protect the inverter and motor from damage caused by insufficient voltage. The cause can be a problem in the home's electrical supply, wiring connections, or a faulty inverter board inside the dryer.
Can I fix the E5H error myself?
Some causes of E5H are DIY-accessible, such as checking and tightening the terminal block connections or inspecting the power cord for damage. However, measuring live circuit voltage and replacing a circuit breaker or inverter board involves work that requires comfort with electrical safety procedures. If you are not experienced with electrical diagnostics, it is safer to call a qualified technician.
Is it safe to keep using the dryer with an E5H code?
No. The E5H code causes the dryer to stop operation intentionally, and attempting to override or ignore the fault is not advisable. Running the dryer with an undervoltage condition can damage the inverter board and motor. Address the cause of the fault before resuming use.
Will resetting the dryer clear the E5H error?
A power cycle may temporarily clear the E5H code if the undervoltage condition was momentary, such as a brief utility fluctuation. However, if the underlying cause is a wiring problem, a failing breaker, or a defective inverter board, the code will return when the dryer is operated again. A reset alone is not a fix.
How much does it cost to repair an E5H error on an Electrolux dryer?
Repair costs depend on the root cause. If the fix is a tightened terminal connection or a replacement power cord, costs are generally low, typically in the range of $20 to $80 for parts. If the inverter board requires replacement, parts and labor combined can range from $200 to $400 or more depending on the model and service rates in your area.

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