mypros+
Error code reference

Bosch Dryer Error Code E:2082

Compressor inverter

Bosch codesBosch dryer codes

Compressor inverter - overvoltage (4-digit equivalent of E:23).

First step from the service manual

Check mains voltage.

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

MyPros+ Max

Get the full diagnostic procedure for E:2082.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

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

What E:2082 means on a Bosch dryer

Error code E:2082 on a Bosch dryer indicates an overvoltage condition detected at the compressor inverter. This code is the 4-digit equivalent of E:23 and applies to heat pump dryer models that use a variable-speed compressor controlled by an inverter board. The inverter converts incoming AC power to a controlled DC output to drive the compressor motor. When the voltage supplied to the inverter exceeds safe operating thresholds, the inverter's protection circuitry triggers this fault to prevent damage to the compressor and associated electronics.

The most common trigger for E:2082 is elevated mains voltage from the household supply. Utility voltage fluctuations, particularly during periods of low grid demand, can push line voltage above the acceptable input range for the inverter. A failing or improperly rated surge protection device on the circuit can also contribute. In some cases, the inverter board itself has developed a fault in its voltage sensing or regulation components, causing it to falsely detect or actually experience an overvoltage condition even when mains voltage is within normal range.

Diagnosis should begin by measuring the mains voltage at the dryer's outlet or terminal block using a multimeter. If the incoming voltage is within the normal range for your region and the error persists, attention shifts to the inverter board itself. Repeated overvoltage faults with normal mains readings point to an internal inverter failure requiring board replacement.

Source: manufacturer service documentation.

Common causes of E:2082

  1. 01

    High mains supply voltage

    Wiring / connection

    Utility-supplied voltage that exceeds the dryer's rated input range is the most likely cause. Measure the voltage at the outlet or terminal block to confirm it is within the acceptable range for your region.

  2. 02

    Voltage spike or surge on the circuit

    Wiring / connection

    A transient voltage spike from the grid or from other large appliances cycling on the same circuit can trigger the overvoltage protection. Check for shared circuits with high-draw appliances and inspect any surge protection devices in use.

  3. 03

    Faulty compressor inverter board

    Part replacement

    If mains voltage measures correctly but the fault persists, the inverter board's internal voltage sensing or regulation components may have failed. This requires replacement of the inverter board.

  4. 04

    Wiring issue between outlet and inverter

    Wiring / connection

    Loose connections, damaged wiring, or a corroded terminal block can cause irregular voltage readings at the inverter input. Inspect all power connections leading to the inverter board for signs of arcing or heat damage.

See the test procedure for each cause

Frequently asked questions about E:2082

What does E:2082 mean on a Bosch dryer?
E:2082 signals an overvoltage fault at the compressor inverter, which controls the variable-speed compressor in Bosch heat pump dryers. It is the 4-digit equivalent of error code E:23. The dryer shuts down to protect the inverter and compressor from damage caused by excessive voltage. The first step in diagnosing this fault is checking the mains supply voltage.
Can I fix E:2082 myself, or do I need a technician?
Checking the mains voltage at the outlet is something a knowledgeable DIYer can do with a multimeter. If the voltage is consistently high, contacting your utility provider or an electrician is the appropriate next step. However, if the inverter board itself has failed, replacing it is a more advanced repair that typically requires a qualified appliance technician.
Is it safe to keep using my dryer when E:2082 is displayed?
No, you should not continue operating the dryer while this fault is active. An overvoltage condition poses a risk of damage to the compressor inverter and compressor motor, and repeated exposure to elevated voltage can cause permanent component failure. Resolve the cause of the fault before resuming normal use.
Will resetting the dryer clear the E:2082 error?
A reset may temporarily clear the fault display, but if the underlying cause, such as elevated mains voltage or a failing inverter board, has not been corrected, the code will return. Clearing the code without addressing the root cause risks further damage to the inverter and compressor. Always diagnose the voltage supply before assuming a reset has resolved the problem.
How much does it cost to repair a Bosch dryer showing E:2082?
Repair costs vary depending on the root cause. If the issue is a high mains voltage corrected by an electrician, costs typically fall in the range of $75 to $200 for a service call and any circuit adjustments. If the compressor inverter board needs replacement, parts and labor combined can range from $250 to $600 or more depending on the specific model and local labor rates.

Related Bosch dryer codes

All Bosch dryer codes
View all 94 Bosch dryer codes

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

Get Started

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