mypros+
Error code reference

Miele Freezer Error Code 3-4-2

Icemaker

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 3-4-2 error code actually means

Your Miele freezer is displaying an error because the icemaker has detected a problem inside itself that it cannot recover from on its own. Turning the freezer off and back on may clear it if it was a temporary glitch, but if the error comes back, the icemaker unit will need to be replaced. The freezer itself should continue to keep food frozen normally while this issue is present.

Diagnostic procedure

The full 3-4-2 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
Switch appliance off and on. If fault code reappears, replace icemaker.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock 3-4-2 procedure $9.95

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

Most common causes of 3-4-2

Ranked by how often they cause this code
  1. 1Internal icemaker control board failure
  2. 2Transient electronic fault or power interruption
  3. 3Failed icemaker harvest motor
  4. 4Faulty internal thermistor or thermostat
  5. 5Wiring fault within the icemaker module

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 3-4-2

What does 3-4-2 mean on a Miele freezer?
Error code 3-4-2 on a Miele freezer indicates an internal icemaker fault. This means the icemaker unit has detected a failure within its own components, such as its control circuit, motor, or internal sensor. The freezer's cooling function is typically unaffected. The icemaker unit will need to be replaced if the fault persists after a power cycle.
Can I fix the 3-4-2 error myself on a Miele freezer?
The initial step, performing a power cycle, is something any homeowner can do safely. Beyond that, the corrective action for a persistent 3-4-2 fault is replacing the icemaker module. Icemaker replacement on Miele appliances typically involves disconnecting electrical connectors and a water line, which is manageable for a confident DIYer, but working with water connections and internal appliance wiring does carry some risk. Hiring a qualified appliance technician is recommended if you are not comfortable with the process.
How much does it cost to fix error code 3-4-2 on a Miele freezer?
The cost depends on whether the issue clears with a power cycle at no cost, or requires icemaker replacement. Icemaker module parts for Miele appliances typically range from around 150 to 400 dollars depending on the specific model. Adding professional labor for diagnosis and installation, the total repair cost generally falls in the range of 250 to 600 dollars or more, reflecting Miele's premium appliance category.
Will resetting my Miele freezer clear the 3-4-2 error?
A power cycle, switching the appliance off and then back on, is the first recommended step and may clear the code if the fault was caused by a temporary electronic glitch. However, if the 3-4-2 code reappears after the reset, the fault is persistent and a reset will not resolve it. In that case, the icemaker module requires replacement.
Is it safe to continue using my Miele freezer when error 3-4-2 is displayed?
Yes, in most cases the freezer compartment will continue to maintain proper temperatures and keep food frozen normally. The 3-4-2 code is specific to an internal icemaker fault and does not indicate a failure in the main refrigeration or temperature control system. However, the icemaker will not produce ice until the fault is resolved.

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

Get Started

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