Skip to main content
Appliance Fix Guide

Bosch Refrigerator error code

Bosch Refrigerator Error E04

Freezer door is open.

Freezer door is open.

Updated Aug 18, 2026
❌ CONSIDER REPLACINGParts over $250
Bosch refrigerator repair guide for error E04
Error codeE04Refrigerator

Try these first

Start here before buying a part or taking the appliance apart.

  1. 1
    Check 1

    Unplug the refrigerator for a few minutes and then plug it back in.

  2. 2
    Check 2

    Locate the defrost sensor on the evaporator coils and check for any visible damage or loose wiring.

  3. 3
    Check 3

    Check for excessive frost or ice buildup around the evaporator coils.

A quick explanation

What does E04 mean?

Freezer door is open.

The answer you came for

How to fix Bosch refrigerator error E04

Start with the safest checks and work from simple to technical.

  1. 1

    Step 1

    1. First, ensure there are no items inside the freezer blocking the door from closing completely.

  2. 2

    Step 2

    2. Inspect the freezer door gasket for any signs of damage, such as rips or warping, that could prevent a proper seal.

  3. 3

    Step 3

    3. Clean the door gasket and the surface it touches on the refrigerator with a mild detergent to remove any dirt or stickiness.

  4. 4

    Step 4

    4. Check the alignment of the freezer door. If it appears to be sagging, you may need to adjust the hinges.

  5. 5

    Step 5

    5. Locate the door switch, which is usually a small plunger or magnetic switch along the door frame.

  6. 6

    Step 6

    6. Press and release the door switch to see if the interior light turns on and off. If it doesn't, the switch may be faulty and require replacement.

  7. 7

    Step 7

    7. If the problem persists after these steps, it may indicate an issue with the door sensor or the main control board, which will require a professional technician.

Read the additional checks from the current guide

How to Fix E04 Error (Step-by-Step) First, ensure there are no items inside the freezer blocking the door from closing completely.Inspect the freezer door gasket for any signs of damage, such as rips or warping, that could prevent a proper seal.Clean the door gasket and the surface it touches on the refrigerator with a mild detergent to remove any dirt or stickiness.Check the alignment of the freezer door. If it appears to be sagging, you may need to adjust the hinges.Locate the door switch, which is usually a small plunger or magnetic switch along the door frame.Press and release the door switch to see if the interior light turns on and off. If it doesn't, the switch may be faulty and require replacement.If the problem persists after these steps, it may indicate an issue with the door sensor or the main control board, which will require a professional service.Turn the appliance off, wait about 2 minutes, then turn it back on.

What to Check Next on This Bosch Refrigerator Bosch Refrigerator Error E04: Use the code, light, or symbol as the starting clue, then confirm what the refrigerator actually does before ordering parts. 1. Unplug the refrigerator before removing covers, touching wiring, checking fans, sensors, valves, or control boards. 2. Confirm whether the display is a normal mode/status symbol or a recurring fault that affects cooling, alarms, lights, water, or controls. 3. Start with the exact symptom and the stage where it appears: cooling, airflow, defrost, water, door sealing, sensor reading, or control response. 4. Check door gaskets, blocked vents, condenser dust, frost buildup, fan noise, temperature settings, and recent door-open events before replacing parts. 5. Let temperatures stabilize after corrections, then confirm whether the same code, alarm, or symptom returns under normal use. 6. Replace a part only after the same symptom repeats and the model-specific checks point to that part category. Match any replacement to the complete Bosch model number on the appliance tag. If the issue returns after these checks, match replacement parts to the complete Bosch refrigerator model number from the appliance tag. The same display clue can point to different components depending on the exact model and when the failure appears. Next Steps and Parts

If the code comes back

Do not keep replacing parts based only on the code. Repeat the safe checks above. If the fault remains, stop and arrange qualified service rather than ordering from the code alone.

What may be causing it?

  • Refrigerator defrost sensor fault.
  • Issue with the ice maker.
  • Excessive ice buildup on the evaporator coils.

These are possibilities to investigate, not proof that one part has failed.

Recommended part

Recommended part for this error code

Replacement part

OEM candidate: 00617203

Price noted in the current guide: $212-$1145

Why this part is shown: It is associated with Bosch Refrigerator error E04 in the current guide. The error code alone does not prove this part has failed.

Compatibility varies by model. Confirm that the Amazon listing includes your complete refrigerator model number before ordering.

Amazon part link View recommended part on Amazon

You can open the recommendation now. Check model compatibility on the Amazon page before purchasing.

Affiliate disclosure: qualifying purchases may earn this site a commission at no additional cost to you.

Replacement options

Ready to replace your refrigerator?

If repairing this refrigerator no longer feels worthwhile, compare three replacement paths below.

Why shop your replacement on Amazon?

  • Fast, free delivery

    Prime members can get fast, free delivery on eligible items.

  • Convenient delivery options

    Select large appliances may offer scheduled or Room of Choice delivery.

  • Haul-away options

    Haul-away may be available for select appliances and delivery areas.

  • Installation help

    Installation or assembly may be available on select items.

Delivery and service options, fees, and availability vary by item, seller, and delivery ZIP code. Confirm available services at Amazon checkout.

Affiliate disclosure: qualifying purchases may earn this site a commission at no additional cost to you.

Make the money decision

Repair or replace calculator

Use the age and total repair estimate to get a simple comparison. This is guidance, not a guarantee.

Safety first

Disconnect power before opening panels or touching internal parts.

When to stop
  • Stop if you see burned wiring, melted connectors, water near electrical parts, or a gas smell.
  • Do not perform live-voltage testing unless you are trained and equipped for it.
  • Use the exact model manual or service information before replacing electronic controls.

Free quick sheet

Get the Bosch Refrigerator Error Code Quick Sheet

A concise reference with code meanings, severity, first checks, and when it is time to stop and call for service.

No spam. Unsubscribe anytime.