lawrence doors PBU-150-11, Installation Instructions And Operation Manual

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PBU-150-11
09/22
TROUBLESHOOTING
Esc
WARNING MESSAGES
LCD Messages Warning Troubleshooting
UPS is overloaded – will be shut down Overload Warning
Remove some unnecessary loads.
If output power turned off, clear the
warning message in the battery mode.
Low Battery –Shutdown imminent Low Battery Warning Check the batteries.
Battery Depleted – UPS has shutdown Low Battery Cut-Off
Warning Check the batteries.
Batt Disconnect Battery Disconnected
Warning
Check the batteries connections.
Charging the batteries for 8 hours, and
then test the PBU again. If this warning
remains, replacing the batteries is
recommended.
ERROR MESSAGES
LCD Messages Possible Cause Troubleshooting
Output Short Circuit – UPS has
shutdown Output Short Circuit
Remove all loads and restart the
PBU. If this error remains, contact
customer service.
Internal Bus Fault – UPS has shutdown Internal Bus Fault
Remove all loads and restart the
PBU. If this error remains, contact
customer service.
Inverter / Output Failure – UPS has
shutdown Inverter Failure Remove all loads and restart the
PBU. If this error remains, contact
customer service.
Charger Failure - PLS check charger Charger not working Check the battery capacity and line
voltage.
Charger Failure - UPS has shutdown Over Charger
Check the battery capacity and line
voltage.
High Internal Temperature – UPS has
shutdown PBU or ambient
temperature is too high PBU or ambient temperature is too
high.
Fan Failure - PLS replace fan
Fans might get
damaged or stuck
Check or replace the fan.
Error:
Output Short Circuit - UPS
Warning/Error LED (Red)
Warning/Error Messages