Sub-Zero Designer Wine (IW) Code 35-2-33: zone 2 airflow speed too low

What 35-2-33 means

For legacy IW-series Designer Wine Storage, such as the IW-30CI, code 35-2-33 says the zone 2 fan speed is set too low. The speed the control is using for the zone 2 fan has dropped under its accepted range, so less air crosses the coil and the bottles. Expect slower temperature recovery in zone 2 and the code 35 2 33 on display.

Common causes of 35-2-33

A zone 2 fan speed setting under the allowed range
Frost or a blockage holding back the zone 2 fan
A fan motor that cannot reach the commanded speed
A control output problem

✓ One safe check you can try

1. Check zone 2 vents and move bottles away from them. 2. Look for ice on the rear wall of zone 2. 3. Switch off the breaker briefly and reapply power. 4. Call us if the code persists. 5. Tell us whether you saw frost when you call, since it changes what we bring.

! Why to stop there

The fan setting can only be read and corrected at service level
Ice behind covers must be cleared without damaging the coil
Testing fan speed requires equipment owners rarely have

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.

→Same appliance

Other Wine Storage codes

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 EC 11Sub-Zero 400 Series Wine Code EC 11: upper cabinet too cold EC 13Sub-Zero 400 Series Wine Code EC 13: lower cabinet cold alarm EC 15Sub-Zero 400 Series Wine Code EC 15: unit not cooling Service flashingSub-Zero 400 Series Wine "Service" Flashing: compressor ran too long 45-2-00Sub-Zero Designer Wine (IW) Code 45-2-00: zone 2 lights not drawing power

35-2-3335-2-33 questions

Could ice cause 35-2-33?

Yes, ice rubbing on the zone 2 fan blade can slow it below the speed the control expects. If you see frost at the back of zone 2, mention it when booking.

Does it affect the other zones?

No. The code is limited to the zone 2 fan, so zones 1 and 3 keep running their own fans normally. That keeps the problem limited to one area of the cabinet.

Is a setting change enough?

Sometimes. We check the setting, the fan and the board, and correct what is wrong. We put the price in writing first, and our work is covered for 30 days.