Chapter 6 Fault-finding
System problems
Reset procedures
System problems
Fault-finding guide
Sometimes problems occur during installation. It is important to be able to find the
problem and a fix quickly.
Technical help line
Feel free to contact the Technical help line.
Before calling, run through the following
• Be prepared to give out company details
• Be next to or very near to the system in question
• Have a copy of the instructions ready to hand
• Have the Switch2 control unit serial number to hand
• Have appropriate tools ready to use.
Reset procedure
To set the Switch2 control unit back to its factory settings:
• Disconnect the power
• Disconnect the GREEN and MAUVE wires from the reader or keypad
• Insert a wire link between the GREEN and MAUVE terminals
• Reconnect the power (the unit will bleep 4 times)
• Disconnect the power, remove the link wire
• Reconnect the GREEN and MAUVE wires and then reconnect the power
(the unit will bleep 3 times per second)
* IMPORTANT *
When checking equipment connected to the control unit, be sure that all other
input/output devices are disconnected. This aids the fault-finding process by testing and
proving a single part of the system.
Chapter 6 Fault-finding 26