Sub-Zero Designer Wine (IW) Code 10 1 01: zone 1 cabinet thermistor short

What 10 1 01 means

A short on the zone 1 cabinet thermistor is what 10 1 01 means on IW-30 and IW-30R Designer Wine (IW) units. The air sensor in zone 1 reads almost no resistance, far below what any real temperature would give. The control discards the reading and runs zone 1 on a backup routine. In the cabinet that can look like zone 1 running colder than set, a stuck display value, or cooling that starts at odd times.

Common causes of 10 1 01

A sensor lead with worn insulation touching metal
Condensation inside the zone 1 plug
A zone 1 cabinet thermistor that shorted internally
A control that reads a short in error

✓ One safe check you can try

1. Check zone 1 against a thermometer. 2. Wipe condensation from the zone 1 walls and door. 3. Close the door and confirm it latches. 4. Cycle power at the breaker after one minute. 5. Book service if 10 1 01 comes back.

! Why to stop there

A short behind the liner must be traced with a meter
Integrated panels can be damaged without proper tools
The control is on a live circuit

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

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 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

10 1 0110 1 01 questions

Why is zone 1 colder than I set it?

With a shorted air sensor the control cannot see real zone 1 temperature, and its backup routine can overcool. A thermometer helps you track it until the repair.

Is moisture a common cause on the IW-30?

It can be, especially if the door has been left ajar in a humid kitchen. Water in the plug creates a short just like damaged wire insulation.

Do you replace the sensor every time?

No. If the wire or plug is the problem, we repair that instead. You see a written price first, and the work has a 30-day workmanship warranty.