Sub-Zero 400 Series Information Booklet page 111

648PRO & ICB648PRO Error Code Table
92 0 Check Keypad Wiring
93 0 Replace Keypad
94 1 Check Wiring / Replace User Display #1
94 3 Check Wiring / Replace User Display #2
96 0 Datalogger Malfunction
97 0 Check Communications Cables / Connectors
98 0 Brownout Check Input Power Supply
Explanation of zone error codes
If "X" = 0, Failure was with a common component.
If "X" = 1, Failure occurred in Zone 1 or left system.
If "X" = 2, Failure occurred in Zone 2.
If "X" = 3, Failure occurred in Zone 3 or right system.
If "X" = 4, Failure occurred in Zone 4.
Note: Zone 2 and zone 4 may or may not be present depend-
ing on model.
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