Sub-Zero 700-2 Code 82: VS compressor controller needs replacement

What 82 means

Code 82 on a 700 Series 700-2 with a variable-speed compressor, such as the 700TCI, carries the same meaning as code 81: the VS compressor will not start, and the correction is replacing the VS compressor controller. Cooling stops because the compressor never gets going. You will usually hear no compressor running, while the display and lights still work and the cabinet slowly warms.

Common causes of 82

VS compressor controller failing to start the compressor
Controller wiring that should be checked when the new module goes in

✓ One safe check you can try

1. Write down code 82. 2. Turn power off at the breaker for two minutes and back on. 3. Listen at the grille for the compressor starting. 4. Keep doors closed and protect perishables with a cooler if needed. 5. Book service.

! Why to stop there

The controller is mounted in the machine compartment near line voltage.
Replacement modules are model-specific.
Correct connection is essential for the new controller to start the compressor.

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 Refrigerator codes

88Sub-Zero 700TF Code 88: Board and compressor controller not talking 80Sub-Zero 700TF Code 80: No inverter feedback after a board change ddSub-Zero 600 and 700 Series Display dd: Diagnostics switched off deSub-Zero 600 and 700 Series Display de: Diagnostics enabled 23Sub-Zero 600, 700 and 648PRO Code 23: Defrost overheat with no feedback 50Sub-Zero 600 and 700 Series Code 50: Refrigerator compressor running too long 41Sub-Zero 648PRO Code 41: Zone compressor or wiring problem 81Sub-Zero 700-2 Code 81: Variable-Speed compressor fails to start

8282 questions

Why does my 700-2 show 82 instead of 81?

Both codes describe a VS compressor that will not start, and both lead to the same repair. The number can differ depending on how the controller reported the start attempt.

Can a reset fix it?

A reset is worth one try, but if the controller cannot start the compressor, code 82 comes back. At that point the controller needs replacement.

How quickly can you repair it?

Once the correct controller is on hand, the swap fits in one visit. We give you a written price first and back our labor with a 30-day warranty.