User's Manual Part 2

Appen
d
ix C 3EM21522AAAA
DTR-0200-SA-SIRIUS Issue 1, March 2008
C-4
HPA Temperature Fault HPA turns off HPA Temperature is
above the Critical High
Temperature level,
+82°C.
Check input, output ven-
tilation vents. Verify fans
are operational. If no fault
found, replace HPA.
HPA Temperature Fault
Low
HPA turns off HPA Temperature is
below the Critical Low
Temperature level, -30°C
Replace HPA
HPA Temperature Warn-
ing
HPA Temperature is
above the Warning High
Temperature level, +78˚C
HPA Temperature is
above the Warning High
Temperature level, +78˚C
Check input, output ven-
tilation vents. Verify fans
are operational. If no fault
found, replace HPA.
HPA Temperature Warn-
ing Low
HPA Temperature is
below the Warning Low
Temperature level, -18°C
HPA Temperature is
below the Warning Low
Temperature level, -18°C
Replace HPA
Local Control Engaged Triggered when repeater
is switched to Local or
Remote condition
Condition changes when
Local/Remote switch is
pressed
No action required
Module 0 HPA PS Volt-
age Fault
AC voltage on PS mod-
ule 0 is off
AC voltage on PS mod-
ule 0 is off
Replace HPA
Module 1 HPA PS Volt-
age Fault
DC voltage on PS Mod-
ule 0 >32 V or <10 V
DC voltage on PS Mod-
ule 0 >32 V or <10 V
Replace HPA
Module 2 HPA PS Volt-
age Fault
AC voltage on PS mod-
ule 1 is off
AC voltage on PS mod-
ule 1 is off
Replace HPA
Module 3 HPA PS Volt-
age Fault
DC voltage on PS Mod-
ule 1 >32 V or <10 V
DC voltage on PS Mod-
ule 1 >32 V or <10 V
Replace HPA
Module 4 HPA PS Volt-
age Fault
AC voltage on PS mod-
ule 2 is off
AC voltage on PS mod-
ule 2 is off
Replace HPA
Module 5 HPA PS Volt-
age Fault
DC voltage on PS Mod-
ule 2 >32 V or <10 V
DC voltage on PS Mod-
ule 2 >32 V or <10 V
Replace HPA
Module 6 HPA PS Volt-
age Fault
AC voltage on PS mod-
ule 3 is off
AC voltage on PS mod-
ule 3 is off
Replace HPA
Module 7 HPA PS Volt-
age Fault
DC voltage on PS Mod-
ule 3 >32 V or <10 V
DC voltage on PS Mod-
ule 3 >32 V or <10 V
Replace HPA
PA Module 0, 1, 2, 4, 5 or
Driver Module TR1 Volt-
age Fault
This alarm is triggered
when the voltage on tran-
sistor 1 exceeds 32 volts
or goes below 26 volts
Wrong voltage on tran-
sistor 1
Replace HPA
Table C-1 Alarms, Possible Causes, and Suggested Response (Continued)
Alarm Description Possible Cause Operator Response