Troubleshooting - Emerson SolaHD SDU DC UPS B Series User Manual

Troubleshooting

Table 11
Troubleshooting
Problem
UPS has no output
UPS cannot turn ON
at Normal Mode
UPS cannot turn ON
at Battery Mode
Backup time is too short
Display Steady Red at Battery LED
SOLAHD Technical Support (USE STANDARD VERBIAGE)
For further assistance, please contact SolaHD Technical Support at 1.800.377.4384/1.847.268.6651
or by e-mail at solahd.technicalservices@emerson.com.
Page: 18
Probable Cause
Remote ON/OFF terminals (R1 and
R2) are not short circuited.
Input DC voltage is not within the
acceptable range of 22.1V – 28.
6V and the battery is drained.
Load is short circuited
Other failure.
Loose input DC voltage
power connection.
Input DC voltage is not within
the acceptable range of
22.1V – 28. 6V.
Other failure.
Battery is Drained
or not connected
Battery is not fully charged.
Battery has low capacity
due to deterioration
Other failure.
Battery is drained
Battery is disconnected.
Other battery failure.
Required Action
Insert REMOTE ON/OFF BYPASS
jumper to short circuit
the terminals.
Check the DC input voltage.
If the input is within the range,
check the input fuse.
Remove the load.
Contact Technical Support.
Tighten the dc input
power connection.
Adjust dc input voltage
Contact Technical Support.
Connect or recharge battery.
Recharge the UPS for at least
three (3) hours.
Replace the battery
Contact Technical Support.
Recharge the battery for at least
three (3) hours.
Check battery connections.
Replace the battery.