The backup battery for the Bullhorn RM510C and RM510S is part number 370254-000. Here is how to put one in.
Applies to: Bullhorn RM510C, Bullhorn RM510S (RM5 series)
Note: Before you start, have these ready:
- Backup battery, P/N 370254-000 (3.6 V, 2.8 Ah rechargeable lithium-ion battery for RM5 units)
Warning: Turn off outside power at the breaker or disconnect switch before you open the unit or touch any terminals. Check the battery's polarity before you put it in.
Steps
-
Open the RMU enclosure.
You should see: the battery holder inside the unit.
-
Put the backup battery (P/N 370254-000) in the holder. Connect the red lead to (+) and the black lead to (-).
You should see: the battery seated in the holder, red on (+) and black on (-).
-
Check every connection. Then set the internal power switch to ON.
You should see: the unit powers on.
If It Didn't Work
| What you see | What it means | What to do |
|---|---|---|
| The unit doesn't run on the battery | The battery may not be seated, or the leads may be reversed | Seat it again, red to (+) and black to (-). See Confirming the Backup Battery |
| You need to replace an old battery | The full replacement steps are in the user guide | See Battery Replacement for the RM510C and RM510S |
Still Stuck?
Submit a support case. Include the unit's serial number and the steps you already tried.