15
MERLIN 4
Installer Options
PROGRAMMING NOTES
1. To load
factory default settings
: Unplug the energizer from the mains and
disconnect one of the battery terminals. Reconnect the battery terminal and apply
mains to the energizer. Within 38 seconds of reconnecting the battery terminal, the
key sequence
2 3 8 9 #
must be entered on the keypad. The energizer will turn off if the default
parameters were accepted.
2. After changing the
Fence Alarm Voltage
setting, make sure that a short and open
circuit fault can still activate the alarm.
3. The Fence Voltage setting is measured with no load on the energizer. It is possible
that the output voltage is lower or higher than indicated in the table if a fence is
connected to the energizer.
FAULT FINDING
General fault conditions:
Condition
Power
On
Service
Siren
Comment
Normal
On
On
Off
Off
Normal no fault
Power Failure Off
On
Off
Off
Check if charger is plugged in
Battery Low
Off
On
Pulse (5 sec)
Offf
Check charger and fuses
Battery Flat
Off
Flash
On
Check charger and fuses
Low Voltage
On
Flash
Off
Off
Fence in low voltage mode
Service
Flash
On
Service fault see next table
Service fault conditions:
There are 5 possible conditions that can cause a service alarm. To determine the cause of
the service alarm, open the lid of the energizer box while the service light is flashing. Make
sure that Jumper 4 (JP4) is NOT inserted. The following lights will indicate the cause of the
service condition:
Condition
LEDS RHS (fence
terminals at bottom)
Comments
Comms failure
Closest battery
Only if keypad detect enabled
Fence interference
Mains pickup, second energizer connected
Over temperature
Check battery/replace battery/unit faulty
Energizer faulty
Faulty or tampered with
Battery flat
Bottom energizer
Check fuses/mains/battery
COMPLIANCE WITH INTERNATIONAL STANDARDS
The Merlin 4 Energizer has been designed to comply with the latest International safety and
environmental standards. The manufacturer, IO Tech Manufacturing (Pty) Ltd., reserves the
right to make modifications and alter specifications without prior notice.
Compliance testing in accredited overseas laboratories is in the process of being finalized.
