mypros+
Error code reference

Miele Freezer Error Code 3-1-8

Icemaker

Miele codesMiele freezer codes

Icemaker: Hopper flap solenoid faulty.

First step from the service manual

Check solenoid. Replace if problematic. If okay, replace icemaker.

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 3-1-8.

  • 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 3-1-8 means on a Miele freezer

Error code 3-1-8 on a Miele freezer points to a fault in the icemaker's hopper flap solenoid. The hopper flap is a small gate or door mechanism within the icemaker assembly that controls the release of ice from the storage hopper into the dispenser chute. This flap is actuated by a solenoid, which is an electromechanical device that uses an electromagnetic coil to drive a plunger or armature, physically opening or closing the flap on command. When the control board detects that the solenoid is not responding correctly, either due to an open circuit, a short, or a failure to actuate, it logs this fault code.

The most direct cause of this error is a failed solenoid coil. Over time, the coil windings can break down due to heat cycling, moisture exposure, or general wear, resulting in either an open circuit or a short to ground. A technician should begin by checking the solenoid for proper resistance and verifying that the correct voltage is being delivered to it during an actuation cycle. If the solenoid measures out of spec or shows no continuity, it should be replaced. If the solenoid tests good electrically and mechanically, the fault likely originates within the icemaker module itself, and the entire icemaker unit would need to be replaced to resolve the error.

Source: manufacturer service documentation.

Common causes of 3-1-8

  1. 01

    Failed hopper flap solenoid coil

    Part replacement

    The solenoid coil has developed an open circuit or short due to wear, heat cycling, or moisture intrusion. This is the most likely cause and can be confirmed by testing the solenoid for proper resistance and continuity.

  2. 02

    Solenoid wiring or connector issue

    Wiring / connection

    The wiring harness or connector leading to the solenoid may be corroded, loose, or damaged, preventing the solenoid from receiving the correct voltage signal. Inspect the connector and leads for visible damage or corrosion.

  3. 03

    Solenoid plunger or mechanical obstruction

    Wiring / connection

    Ice buildup or debris can physically jam the hopper flap mechanism, causing the solenoid to fail to actuate even if it is electrically sound. Inspect the flap and plunger area for obstructions.

  4. 04

    Faulty icemaker module

    Part replacement

    If the solenoid checks out electrically and there is no wiring fault, the icemaker module itself may be the source of the fault, preventing proper solenoid control. In this case, replacing the entire icemaker assembly is the recommended resolution.

See the test procedure for each cause

Frequently asked questions about 3-1-8

What does 3-1-8 mean on a Miele freezer?
Error code 3-1-8 on a Miele freezer indicates a fault with the hopper flap solenoid in the icemaker. The solenoid controls a small gate that releases ice from the hopper into the dispenser chute. The control board has detected that this solenoid is not operating correctly. The fix involves testing the solenoid and either replacing it or replacing the full icemaker assembly.
Can I fix the 3-1-8 error code on my Miele freezer myself?
A knowledgeable DIYer can inspect the solenoid wiring and connector for visible damage or corrosion, and check for any ice or debris jamming the hopper flap mechanism. However, testing the solenoid's electrical resistance and replacing internal icemaker components typically requires familiarity with appliance repair and a multimeter. If you are not comfortable with those steps, a qualified technician is recommended.
Is it safe to keep using my Miele freezer while error code 3-1-8 is active?
The 3-1-8 error is specific to the icemaker's hopper flap solenoid and does not directly affect the freezer's core refrigeration functions. Your freezer should continue to maintain temperature and preserve food normally. However, the icemaker will not dispense ice correctly until the fault is resolved, so it is best to address the repair in a timely manner.
Will resetting my Miele freezer clear the 3-1-8 error code?
A simple power reset may temporarily clear the error code from the display, but if the solenoid or icemaker module is genuinely faulty, the code will return once the control board runs its diagnostics again. The underlying hardware fault must be diagnosed and corrected to permanently resolve the error.
How much does it cost to repair a Miele freezer with error code 3-1-8?
Repair costs vary depending on whether only the solenoid needs replacement or the entire icemaker assembly is required. Parts costs for icemaker components on Miele appliances can range from roughly $80 to $300 or more, with labor adding additional cost depending on your region and the technician's rates. Getting a diagnostic estimate from a Miele-authorized service provider before proceeding is a good approach.

Related Miele freezer codes

All Miele freezer codes
View all 70 Miele freezer codes

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

Get Started

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