NORTHMATE Pulse - Troubleshooting PULSE Issues; No Radio Contact Between Units; Low Battery Indicator; Opening Jammed with Food

Problems and solutions.
Problem:
No radio contact between units.
Light: All units blink fast until
contact is re-established.
Sound: Three descending notes.
Solution:
Move units closer or avoid walls.
Problem:
Low battery.
Light: Unit blinks fast the second
you turn it “ON”.
Sound: Three descending notes.
Solution:
Change batteries.
Problem:
Opening is jammed with food.
Light: Unit blinks fast until food
is removed.
Sound: Three descending notes.
Unit will try to solve the jam.
If it fails all units turn OFF
automatically.
Solution:
Remove the jammed food, and
restart game.