Modem-panel communication error with newly installed SEM300

Support
21

Vidail,

Here is the blink pattern for the 7 dip switches. There is an 8-blink pattern that repeats.

1 blinks once
2 is off
3 is off
4 blinks four times, then goes off
5 blinks 8 times
6 is off
7 is off

EXCEPTION: randomly, #2 blinks very rapidly once, but is not part of the pattern. The #2 blink is of a much shorter duration than the other LED dip switches. It may blink once or twice if you watch the pattern 10 times. The rapid blink occurs after #1 blinks but before 4 goes off, so it may be in the second position in the sequence.

Allen

22

Vidail,

The red Trouble ID on the top left is on continuously. It does not blink.

Allen

23

Vidail,

I need to be certain we’re talking about the same light patterns.

When I refer to the trouble light, it is the red one on the top left. In this group of five lights, 2 and 3 are off. The red trouble light does not blink. It is on.

The LEDs with the blinking light pattern I described in the email I sent a short while ago are in the lower center of the image. In this group of seven lights, 2 and 3 are off.

Allen

24

Vidail,

If you want dip switch positions, you can see them in this photo. 1 & 4 are off, 2 & 3 are on.

Allen

25

Thank you for your patience,

I talked with Alarm.com about the sync error and these were the steps they recommended.

First would be to remove the small board on the SEM and place it back. This can be done by:

  1. Power down the panel by removing AC power and battery
  2. Remove the two screws I marked in a red circle below
    LEDs on SEM300 Circuit Boards
    LEDs on SEM300 Circuit Boards240×320 25.2 KB
  3. Carefully remove the board and make sure there is no damage
  4. Place the board back making sure all connections are secure
  5. Add the 2 screws back
  6. power the panel on connecting the battery first

Wait and see if the panel performs the zone scan.

If it does not, we will try and change the keypad address. This can be done by:

  1. Enter programming and enable keypad address 22 in section *195 set to 1,0
  2. Power down the system by removing AC power and Battery
  3. Change the dip switches to 1 off, 2 on, 3 off, 4 on
  4. power on the panel by connecting battery first

Wait and see if the panel performs a scan

26

Vidail,

We followed your instructions.

First, we powered down the system, removed and inspected the small board on the SEM, then replaced the board and powered up the system. The panel did NOT perform a zone scan. The bF error message reappeared and the light pattern in the SEM was the same as it had been before.

We entered programming and changed *195 to 1,0. The keypad beeped to accept the change. We powered down the system. changed the dip switches to 1 off, 2 on, 3 off, 4 on. We powered up the system. The panel did NOT perform a zone scan. The bF error message reappeared and the light pattern in the SEM was unchanged.

Next?

Allen.