Liebherr Refrigerator Error E5

⚡ Quick Answer: The Liebherr refrigerator error E5 indicates a communication fault between the main control board and the display/UI module. This malfunction can caus... ✅ DIY Fixable

What Does Error E5 Mean?

The Liebherr refrigerator error E5 indicates a communication fault between the main control board and the display/UI module. This malfunction can cause the refrigerator to stop normal operation and lead to inconsistent cooling and fluctuating temperatures. If the error persists after a power reset, further diagnosis of the communication harness and associated modules may be necessary.

Common Symptoms:

  • E5 appears on display and refrigerator may stop normal operation
  • Error persists after power reset

Possible Causes

  • Communication problem between main control board and display/UI module (medium)

How to Fix Error E5

DIY Fix Power cycle and inspect connections

  1. Unplug the refrigerator from power.
  2. Wait at least 5 minutes.
  3. Plug the refrigerator back in and observe if error persists.
  4. If comfortable doing so, check that visible wiring/connectors between control board and display are seated.

Technician Only Diagnose communication harness and modules

  1. Inspect the communication harness between the main control board and display for damage.
  2. Measure continuity and proper signal on the communication bus.
  3. Replace faulty communication harness, control board, or display module as needed.

Parts needed: Communication harness, Main control board, Display/UI module

🛑 When to Call a Pro:
  • If the error persists after power cycling and basic checks
  • If internal component inspection is beyond user capability
  • If the wiring or control electronics appear damaged

Next step

Choose the next step for E5

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Based on diagnostic data

Most relevant component to inspect

Main Control Board

The central brain of the appliance that controls all components, cycles, and timings.

Typical part-only price
$120 - $280
DIY difficulty
Medium
Estimated time
20-40 mins
Where can I find the model number?

Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.

Find a part that fits my model

Verify the complete model and part number on the retailer's compatibility page before ordering.

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Technical Specifications

wattage N/A
component Temperature Sensor
resistance 5-10 kOhms at 25°C
part_number Liebherr 7440301
voltage_rating N/A

Common Questions

What does E5 error mean on Liebherr refrigerator?

E5 error indicates a communication fault between the main control board and the display/UI module, leading to stopped operation and inconsistent cooling.

Can I fix Liebherr refrigerator E5 error myself?

Yes, you can try power cycling the refrigerator and inspecting the connections. Unplug for 5 minutes, then plug it back in.

How much does it cost to fix E5 error?

The estimated repair cost for E5 error is moderate to high, depending on model and parts pricing.

When should I call a technician for E5?

Call a technician if the error persists after power cycling, if internal inspection is beyond your capability, or if wiring appears damaged.

Data last verified: 2026-04-23

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