Sub-Zero 400 Series Information Booklet page 45

600 SERIES (Starting With Serial #1810000)
(CONTINUED)
NOTE: If "E E C C " (Error Code) is displayed, see Error
Code Table on next page.
NOTE: If "E E E E " is displayed in place of temperature,
thermistor in that location is faulty.
NOTE: If "S S r" is displayed in place of temperature,
unit is in Showroom Mode.
NOTE: Diagnostic Mode will end 10 seconds after
last key stroke.
PAGE 45