User's Manual
Table Of Contents
NTUM30DA Installation & Service Manual
4-7.2.3 High DC Power Consumption Shutdown Alarm
If input power exceeds 417W in Mode 1 or 330W in Mode 2, for one second, the High DC Power
Consumption Shutdown Alarm is set.
Table 4-1 Alarm Summary
Alarm Definition Implementation
Persistence
Time
Temperature Overload (Major) Temp Sensor Temperature > 90ºC 5 seconds
High Temperature (Minor) Temp Sensor Temperature > 85ºC 5 seconds
DC/DC Converter Shutdown
(Major)
9V or 28V (23V in Mode 2) more than 10%
out of tolerance
5 seconds
DC Voltage Regulation Failure
(Minor)
5V, -5V, +15V more than 10% out of toler-
ance
5 seconds
DC Power Consumption
Overload (Major)
Mode 1: Input DC power > 417W
Mode 2: Input DC power > 330W
1 second
High DC Power Consumption
(Minor)
Mode 1: Input DC power > 375W
Mode 2: Input DC power > 300W
5 seconds
Gain Control (Minor) 1. Input Power > +2.5 dB OR
2. Input Power > -3.8 dB AND Output
Power < 25 dBm
5 seconds (both)
Partial Failure of Main Ampli-
fier (Minor)
Main Amp or Error Amp transistor failure
detected.
---
Main Cancellation Loop (Mi-
nor)
1
st
Loop Error > 2.5V (No persistence
when amplifier first enabled.)
30 seconds
Error Cancellation Loop
(Minor)
2nd Loop Error > 2000 (No persistence
when amplifier first enabled.)
Loss of Pilot detected.
30 seconds
(on item 1)
Copyright Powerwave Technologies, Inc., June 2003. All rights reserved
044-05141 Rev. A 4-6 June 2003