Lcd Keypads; Remote Expanders - Models Ats1201, Ats1210, Ats1211, Ats1220 - Interlogix ATSx500A Series Installation And Programming Manual

Chapter 7: Troubleshooting

LCD keypads

Condition
All the LEDs on the keypad are
flashing
LEDs do not appear to be
indicating the correct condition
The keypad appears to be going
off-line and on-line (indicated by
the "Keypad fail" message on the
LCD)
An error is indicated when a code
is entered on the keypad (seven
beeps)
Remote expanders — Models ATS1201, ATS1210,
ATS1211, ATS1220
Condition
The Tx LED on the expander is not
flashing
Tx and Rx LEDs are not operating
The expander appears to be going
off-line and on-line (indicated by
"Expander fail" on a LCD keypad)
298
Possible cause
The DIP switches may be incorrectly set (the address set on
the keypad may be incorrect and therefore polling to the
keypad is not being acknowledged).
The system data bus line may be connected incorrectly.
The keypad is not being polled (it may not have been
included in keypads to be polled when programming
keypads).
The keypad type may have been defined incorrectly:
LCD keypad must be set to Yes.
The termination may be incorrect. See "Cabling" on page
22.
An invalid PIN may have been used.
The keypad may not have been programmed with an alarm
group.
The alarm group of the PIN may not permit access at this
keypad.
Possible cause
The DIP switches may be incorrectly set (the address
recorded on the expander may be incorrect and therefore
polling to the expander is not being acknowledged).
The system data bus cable may be connected incorrectly.
The expander is not programmed to be polled.
No power or low power.
The system data bus cable may be connected incorrectly or
the power supply is faulty (mains or battery).
The termination may be incorrect. See "Cabling" on page
22.
Advisor Advanced ATSx500A(-IP) Installation and Programming Manual