Problem Solving - Phasak PH 9464 Manual Del Usuario

2.5. Problem solving

issue
Nothing is displayed on the
panel.
The UPS is always in
battery mode.
The UPS does not stop
whistling.
Reserve time too short.
Possible cause
The UPS does not turn on.
The battery voltage is too low..
Battery error.
Power cable loose.
Check the error code for
details.
The battery voltage is too low.
Overload.
Defective battery.
INTERACTIVE LCD
Solutions
Press the power switch again to turn on the UPS.
Charge the battery for at least 6 hours.
Change the battery
Reconnect the power cord.
Check the error code for details.
Charge the battery for at least 6 hours.
Remove some unnecessary loads. Before
reconnecting the equipment, check that the load
matches the capacity of the UPS described in the
specifications.
Change the battery
​
P H 9464