Delta RT Series User Manual page 49

Error
Meaning
Code
Battery
0x1003
Disconnected
NOTE:
If all possible causes are eliminated but the alarm still appears, please contact your local
dealer or customer service.
Possible Cause
1. The UPS is not properly
connected to the external
battery pack(s).
2. The battery/ batteries is
(are) damaged.
49
Solution
1. Check whether the UPS is
properly connected to the
external battery pack(s).
2. Contact service personnel.