FAQ
- Q: Why does my DHXXX-XMXXX / DVXXX-XMXX display show “D”?
- Q: Why does my EHXXX-XMXXX / EVXXX-XMXXX display show “OK” or “AOK”?
- Q: Why does my MICRO COMM® hall lantern light the arrows, but the gong doesn’t sound?
- Q: Why does my M3491/INN3491 light both arrows?
- Q: Why does my M3491/INN3491 light the arrows, but the gong doesn’t sound?
- Q: Why doesn’t my VM3541 board light my discrete lanterns?