Wolf Sub-Zero ICB400 Series Service Manual page 41

Electronic Control System
Sabbath Mode
Sabbath Mode was incorporated into the electronic control system for the observance of certain religious days.
Initiating Sabbath Mode disables the LCD, lighting system and the door ajar alarm feature.
To initiate Sabbath Mode, the unit must first be switched OFF using the POWER key
and hold the POWER key for ten (10) seconds, until the LCD and lights switch OFF
normal operation, press and release the POWER key.
NOTE: During Sabbath Mode, the evaporator fan may function when drawers are open.
NOTE: During Sabbath Mode, the LCD is disabled and set-points cannot be changed.
Figure 3-51. After Unit is Switched OFF, Press and Hold POWER Key for 10 Seconds
Showroom Mode
Showroom Mode allow the appliance to be displayed in a showroom setting. When in Showroom Mode, all cooling
functions are disabled, but the lighting system and LCD remain active.
To initiate Showroom Mode, the unit must first be switched OFF using the POWER key
unit OFF, press and hold the WARMER and COLDER keys, then press the POWER key
return unit to normal operating condition, repeat the steps above.
NOTE: Always re-check set-points after returning unit to normal operating condition.
NOTE: It is possible to determine if a unit is in Showroom Mode by initiating Diagnostic Mode. If "Sr" appears on
the LCD during Diagnostic Mode, the unit is in Showroom mode. This is covered later in this section.
Figure 3-52. To Enter (or Exit) Showroom Mode, Switch Unit OFF First
Figure 3-53. After Unit is Switched OFF, Press and Hold the WARMER and COLDER Keys,
7011544 - Revision A - November, 2008
International W
International W
OFF
Figure 3-50. To Enter Sabbath Mode, Switch Unit OFF First
OFF
Then Press the POWER Key
ine Storage
ine Storage
(ICB400)
(ICB400)
Press and hold for 10 seconds
3-28
Series
Series
(See Figure 3-50), then press
(See Figure 3-51). To return to
(See Figure 3-52). With the
(See Figure 3-15). To