Skip to main content
Error code reference
Sub-Zero Refrigerator Error Code 94 (Zone 1)
Check Wiring / Replace User Display #1 (Left/Freezer)
SourceSub-Zero Pro-Series Refrigerator - Service Manual (Model 648PRO)p. 3-30, 8-5
Diagnostic procedure
The full 94 (Zone 1) procedure
Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.
MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check wiring to left user display; replace if necessary
SourceSub-Zero Pro-Series Refrigerator - Service Manual (Model 648PRO)p. 3-30, 8-5
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock 94 (Zone 1) procedure $9.95
Or subscribe: $29/month for all codes plus Max diagnostics, with 70 Max messages a day. Plus applicable tax.
Where this code is documented
1 manual in the MyPros+ library documents this code for Sub-Zero refrigerator.
Models covered by the manuals that document this code
75,000+ service documents · 20,000+ error codes · 100+ brands
Get Started$29/month · Cancel anytime · Or $9.95 3-day pass · Plus applicable tax