Master Lock XR20 - Manual (Page 41)

XR20 Appendix 37
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
Service Required
There is a problem with one or more of the components in the system. Call your service person.
System Busy The system is performing another task with a higher priority.
Wait a few moments for the system to finish the task. If
System Busy appears on the display for a long period of
time, the processor could be locked up. Contact the
service department.
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
times and has not succeeded.
Call your service person.
Non-Polled Address The keypad has been assigned to an invalid address. Call your service person.
4-Wire Bus Trouble