Master Lock manual Common Keypad Displays, Message, Meaning, Possible Solutions, XR20 Appendix

Common Keypad Displays

Listed below are several keypad messages you may see on the display. Follow the instructions in the Possible Solutions column to correct the problem. In most cases, you will need to call a service person to correct the problem.

Message	Meaning	Possible Solutions
Invalid Code	The user code you have entered is not recognized by the system.	Check the user code and try again.
Closing Time	The schedule has expired but the area has not been armed.	Users still on the premises are reminded to arm the system
		or extend the schedule to a later time.
Late to Close	The system was not armed at its scheduled closing time.	Users still on the premises are reminded to arm the system
		or extend the schedule to a later time.
AC Trouble	The system is not getting proper power.	Call your service person.
Battery Trouble	Battery is either low or missing.	Call your service person.
System Trouble or	There is a problem with one or more of the components in the system.	Call your service person.
Service Required
		Wait a few moments for the system to finish the task. If
System Busy	The system is performing another task with a higher priority.	System Busy appears on the display for a long period of
		time, the processor could be locked up. Contact the
		service department.
4-Wire Bus Trouble	No supervised device on bus	Call your service person.
	Low Voltage or an open yellow wire	Call your service person.
	Two devices on same address	Call your service person.
Transmit Fail	The panel has attempted to communicate with the central station 10	Call your service person.
	times and has not succeeded.
Non-Polled Address	The keypad has been assigned to an invalid address.	Call your service person.

XR20 Appendix 37