Sub-Zero 400 Series Information Booklet page 29

400-2 SERIES - 427R-2 REFRIGERATOR
» Clearing Error Codes
1. Unit must be ON
2. Repair problem
3. Press and hold Bell ON/OFF key for 15 seconds
» Manual Component Activation Mode
(Energizes cooling system for 5 minutes)
1. Unit must be ON
2. Press COLDER & UNIT ON/OFF keys simultaneously for
10 seconds
NOTE: After performing the above key strokes, the following will
appear on the LCD. Temperatures shown are for reference only,
actual temperatures may vary.
2 2 9 9
Temperature of E (Refrigerator Evaporator)
SERVICE (Illuminated)
PAGE 29
E E