Document: 1784en02.doc
QWTIME III MASTER CLOCK
Author: PM
Date: 2008-11-07
User Manual
Page: 15 of 61
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 master clock 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.
Alarm relay activated.
The radio receiver is
not working.
Check the radio receiver.
If OK, clear the alarm.
UF LOW
Red alarm LED lit.
Alarm relay activated
Impulse voltage below
alarm limit.
Check the load on the impulse
output. If OK, clear the alarm.
SHORT CIRCUIT
Red alarm LED lit.
Alarm relay activated
Short circuit on
impulse output
Remove the short circuit.
If OK, clear the alarm.
CURRENT LOW
Red alarm LED lit.
Alarm relay activated
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.
Alarm relay activated
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.
Alarm relay activated
Works only if the master
clock is equipped with
batteries for running
reserve.
By some reason the
power to the master
clock has been
switched off.
Check the mains.
If OK, clear the alarm.
* One of the relay output can be used as an alarm relay. This function is as default disabled but can be enabled
via SPECIAL FUNCTION/ SETUP/ ALARM RELAY/YES.