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Error code · Wine Storage

Sub-Zero Designer Wine (IW) Code 35-3-34: zone 3 fan running above range

On Sub-Zero IW Designer Wine units, for instance the IW-24 or IW-30CI, 35-3-34 means the zone 3 fan speed is set too high. The control reads the zone 3 fan setting as faster than its permitted…

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Code
35-3-34
Appliance
Wine Storage
Brand
Sub-Zero
Warranty
30-day workmanship

What 35-3-34 means

On Sub-Zero IW Designer Wine units, for instance the IW-24 or IW-30CI, 35-3-34 means the zone 3 fan speed is set too high. The control reads the zone 3 fan setting as faster than its permitted range. You may hear more fan noise from zone 3 and feel stronger airflow, while 35 3 34 shows on the display. Bottle temperatures usually stay close to setting.

Common causes of 35-3-34

  • Zone 3 fan speed setting above its limit
  • A fan motor overspeeding
  • Control board output that is out of range
✓ One safe check you can try

1. Note any change in fan sound from zone 3. 2. Keep zone 3 vents clear. 3. Try one breaker off and on cycle. 4. Arrange a visit if 35-3-34 comes back. 5. Write down the time the code first showed and whether zone 3 temperature has shifted, and tell us when you call.

! Why to stop there
  • The fan setting cannot be changed from the keypad
  • Fan speed needs to be measured with test gear
  • The board and fan sit behind covers inside the unit
Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.
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Other Wine Storage codes

45-2-00Sub-Zero Designer Wine (IW) Code 45-2-00: zone 2 lights not drawing power 45-2-01Sub-Zero Designer Wine (IW) Code 45-2-01: zone 2 light short circuit 90-5-80Sub-Zero Designer Wine (IW) Code 90-5-80: keypad module not talking to the control 90-H-80Sub-Zero Designer Wine (IW) Code 90-H-80: no communication with the high-voltage micro 90-H-82Sub-Zero Designer Wine (IW) Code 90-H-82: partial communication with the CCM 90-H-83Sub-Zero Designer Wine (IW) Code 90-H-83: bad data from the high voltage micro 90-H-84Sub-Zero Designer Wine (IW) Code 90-H-84: high voltage micro failed to initialize 95-1-00Sub-Zero Designer Wine (IW) Code 95-1-00: zone 1 door open too long
35-3-3435-3-34 questions
Is 35-3-34 a cooling emergency?

No. Zone 3 continues to cool. The control flags the faster-than-normal fan setting because it can affect noise and temperature balance. You can keep using the unit while you wait.

Can stronger airflow dry out corks?

Airflow outside the intended range is not ideal for long storage, which is one reason to correct it rather than ignore it. For daily use it is more a comfort issue than a danger.

What is the repair process?

We confirm the code, test the zone 3 fan and board, then correct the cause. We give a written price first, and our workmanship is covered for 30 days.

Book a visit

Still seeing 35-3-34?

A technician diagnoses it on site and gives you the price in writing before any work starts.

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