I have a Caddx NX-8e with two 216 expander cards. One 216 is fully populated with no issues. The other card has half of the zones populated with the remaining zones jumpered with a resistor.
I added a zone tonight. The zone was working fine; it is 33. After a little while, 33 and 34 are missing when I look at the zone status on the keypad. Zone 33 is connected to the device; EOL resistor at the device. 34 is jumpered with an EOL resistor.
No matter what I do, I cannot get 33 and 34 to show back up. Even if I remove everything from these zones, they do not display. I tried to use a different common port; still nothing.
Any ideas -- do you think the 216 card is fried? I did double-check the dip switch settings, 1 and 2 are on; the remaining are off.