Manual Zone Disable Mode; To Disable A Zone, Switch Unit Off First By Touching The Power Key - Sub-Zero Wolf BI Series Service Manual

Built-In (BI) Series
Built-In (BI) Series

Manual Zone Disable Mode

Manual Zone Disable Mode allows a customer or Service Technician to switch one zone, or "compartment" OFF for
defrosting, interior cleaning, or diagnostic purposes, while allowing the other zones to continue cooling.
To initiate Manual Zone Disable Mode, the unit must first be switched OFF using the POWER key (See Figure 2-26).
Now, touch and hold the WARMER key for the zone being disabled, then the POWER key, then release both keys,
at which time "- -" (double-dashes) will appear in place of temperature readings for the chosen zone (See Figure 2-
27).
To return the disabled zone to operational state, repeat the steps above.
NOTE:
• If switched OFF then back ON, the electronic control stores this mode-set in non-volatile memory, so the disabled
zone will remain disabled until the proper key sequence is performed to re-enable the zone.
• The alarm system for the disabled zone is inactive during this mode.
• Always check set-points after returning unit to normal operation.
LIGHTS ICE MAKER MAX ICE
Figure 2-26. To Disable a Zone, Switch Unit OFF First by Touching the POWER Key
LIGHTS ICE MAKER MAX ICE
Figure 2-27. Then Touch and Desired Zone WARMER Key along with the POWER Key
(SWS #4380000)
(SWS #4380000)
COLDER WARMER
COLDER WARMER
COLDER WARMER
COLDER WARMER
Indicates Cooling Functions for Zone Have Been Disabled
2-15
Electronic Control
PURE AIR ALARM
PURE AIR ALARM
7040317 - Revision A - September, 2015
POWER
POWER