How to interpret the 'Check Device' display on a D1255 or D1260 keypad.
Why does the keypad display "Check Device"?
How to locate which point generated the 'Check Device' display and modify programming to prevent the display.
The door controlled by the door control module doesn't remain released when the REX sensor configured as 'resettable' continues to detect motion.
B901, D9210C, D9210B,DS150I,DS151I,DS160, DS161
Issue
What is the difference between the D133 an D134?
Solution
The D133 has a single relay rated at 2A @ 30 VDC – 0.6A @ 125 VAC.
The D134 has two relays rated at 2A @ 30 VDC – 0.6A @ 125 VAC.
Current draw for the Relay is 40 mA per relay when activated.