Troubleshooting guide

PAGE 14 of 36 VR GSM DOOR INTERCOM TECHNICAL MANUAL VER2.0.0
PUSH TO EXIT BUTTON AND AUXILIARY INPUTS/OUTPUTS
PUSH TO EXIT BUTTON, TRIGGERS
RELAY FOR PROGRAMMED TIME
AUXILIARY OUTPUT (OPEN COLLECTOR),
TRIGGERS WHEN C1 & AI ARE SHORTED
AUXILIARY INPUT, TRIGGERS
AUXILIARY OUTPUT (AO)
AUXILIARY INPUT, SENDS A SMS MESSAGE
TO THE TELEPHONE NUMBER STORED IN
MEMORY LOCATION 020
(NOTE: Once triggered, it can’t be triggered again for 4
minutes. This avoids multiple SMS messages being sent
for the same alarm)