Industrial Scientific Radius BZ1 Area Monitor
Industrial Scientific Radius BZ1 Area Monitor Group Lost: Group Lost Warning
The instrument is no longer communicating with the group, causing the area monitor to trigger a warning.
- Code
- Group Lost
- Name
- Group Lost Warning
- Controller
- Industrial Scientific Radius BZ1 Area Monitor
- Type
- Communication
- What it does
- Warning: the equipment keeps running and flags a problem
- Risk
- GREEN In your wheelhouse
- Source
- The manufacturer's manual (subscribers see which manual and page)
Updated November 4, 2026
How to fix it
Subscribers get:
- What to do next, in plain words
- What the manual says to do, and the page it is on
- The 2 common causes listed for this code
- The step by step check for this problem, one check at a time
- Booking a live video call with Ben, a master booth technician ($250/hr, paid per call)
Questions about this code
What does Industrial Scientific Radius BZ1 Area Monitor Group Lost mean?
The instrument is no longer communicating with the group, causing the area monitor to trigger a warning.
Is Industrial Scientific Radius BZ1 Area Monitor Group Lost dangerous?
It is graded green: in a working tech's wheelhouse with standard tools and low risk.
How do I fix Industrial Scientific Radius BZ1 Area Monitor Group Lost?
The manual's fix and the step by step check for this code are in WERCS Diagnose, plans from $49 a month. For help right now, WERCS answers 24/7 at (877) 489-3727.
Other Industrial Scientific Radius BZ1 Area Monitor codes
STEL · STEL eventMAN DOWN · Peer man downPeer Lost · Peer Lost WarningAlarms off · Alarms offLEL-Low O2 · LEL-Low O2Low battery · Low battery warningNo GPS Signal · No GPS SignalLow Battery Shutdown · Critical low battery
All 15 Industrial Scientific Radius BZ1 Area Monitor codes · Every fault code