
User Instructions Section 5877
Spec. No. 582140000 (Models 802NLDB, 802NLEB and 802NL-B) Issue AQ, January 15, 2013
Chapter 2. Navigating the MCA Page 2-9
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MCA Menu
Tree Line No.
(Section
5886)
PCU B#-ID#/N#
THERMAL LIMIT
Rectifier Module (PCU) in Thermal Current
Limit. (B#-ID#/N# = Bay Number-Rectifier
Module MCA ID# w/in Bay/Number of Rectifier
Modules in System.)
PCU B#-ID#/N#
THERMAL STOP
Rectifier Module (PCU) in Thermal Shutdown.
(B#-ID#/N# = Bay Number-Rectifier Module
MCA ID# w/in Bay/Number of Rectifier
Modules in System.)
PCU B#-ID#/N#
HIGH AMBIENT
Rectifier Module's (PCU’s) High Temperature
Alarm active. (B#-ID#/N# = Bay Number-
Rectifier Module MCA ID# w/in Bay/Number of
Rectifier Modules in System.)
Load is not balanced with the other Rectifier
Modules (PCUs). (B#-ID#/N# = Bay Number-
Rectifier Module MCA ID# w/in Bay/Number of
Rectifier Modules in System.)
PCU B#-ID#/N#
1 FAN SPEED
1 Rectifier Module (PCU) Fan Fail Alarm
active. (B#-ID#/N# = Bay Number-Rectifier
Module MCA ID# w/in Bay/Number of Rectifier
Modules in System.)
PCU B#-ID#/N#
2+ FANS SPEED
2 or more Rectifier Module (PCU) Fan Fail
Alarms active. (B#-ID#/N# = Bay Number-
Rectifier Module MCA ID# w/in Bay/Number of
Rectifier Modules in System.)
PCU B#-ID#/N#
NO VOLT SENSE
Duplicated Reference Designations.
PCU B#-ID#/N#
NO RESPONSE
MCA communications with Rectifier Module
(PCU) lost. (B#-ID#/N# = Bay Number-Rectifier
Module MCA ID# w/in Bay/Number of Rectifier
Modules in System.)
Press ENTER to go to this menu.
GO BACK TO MENU TREE
BEGINNING
Press ENTER to go to the beginning of the
MCA Menu Tree.
1 DIST. PANEL
HAS FAILED
or
## DIST. PANELS
HAVE FAILED
or
NO DIST. PANELS ARE
IN INVENTORY
One or more Distribution Bus Monitoring Circuit
Cards failed. (## = number of failed
Distribution Bus Monitoring Circuit Cards.)
Press ENTER to view which Distribution Bus
Monitoring Circuit Card(s) failed.
or
If the MCA does not recognize any Distribution
Bus Monitoring Circuit Card, NO DIST.
PANELS ARE IN INVENTORY is displayed.
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