Document: 1904en01.doc
QWTIME III IMPULSE AMPLIFIER
Author: PM
Date: 2011-02-03
User Manual
Page: 12 o f 28
WESTERSTRAND URFABRIK AB
P.O. Box 133
Tel. +46 506 48000
Internet:: http://www.westerstrand.se
SE-545 23 TÖREBODA
Fax. +46 506 48051
E-mail:
Alarms
The Impulse Amplifier is equipped with several supervision facilities to detect functional disturbances.
When a functional disturbance is detected the following will happen:
•
Red alarm LED is lit.
•
Alarm relay* is activated.
•
An alarm message is displayed in function ALARM.
The function ALARM is used to display and erase (clear) alarm messages.
Type of alarm
Indication
Reason for alarm
Action
NO RADIO
Red alarm LED lit.
The synchronisation
signal is lost.
Check the incoming
synchronisation signal.
If OK, clear the alarm.
UF LOW
Red alarm LED lit.
Impulse voltage below
alarm limit.
Check the load on the impulse
output. If OK, clear the alarm.
SHORT CIRCUIT
Red alarm LED lit.
Short circuit on
impulse output
Remove the short circuit.
If OK, clear the alarm.
CURRENT LOW
Red alarm LED lit.
Impulse current below
alarm limit.
Check the load on the impulse
output. If OK, check that the alarm
limit is correctly configured.
If OK, clear the alarm.
CURRENT HIGH
Red alarm LED lit.
Impulse current above
alarm limit.
Check the load on the impulse
output. If OK, check that the alarm
limit is correctly configured.
If OK, clear the alarm.
POWER DOWN
Red alarm LED lit.
Works only if the Impulse
Amplifier is equipped
with batteries for running
reserve.
By some reason the
power to the Impulse
Amplifier has been
switched off.
Check the mains.
If OK, clear the alarm.
