Delta UPS602N2004N035 - Page 49

Chapter 10 Troubleshooting
45
Error
Code
Meaning Possible Cause Solution
E2103 BUS start
abnormal in
battery mode
The UPS has internal
abnormalities.
Contact service
personnel.
E2302 +BUS voltage
too high
1. Output connects with
regenerative loads.
2. The UPS has internal
abnormalities.
1. Remove any
inductive or
capacitive loads that
have regenerative
properties.
2. Contact service
personal.
E2502 -BUS voltage
too high
1. Output connects with
regenerative loads.
2. The UPS has internal
abnormalities.
1. Remove any
inductive or
capacitive loads that
have regenerative
properties.
2. Contact service
personnel.
E2702 +BUS voltage
too low
The UPS has internal
abnormalities.
Contact service
personnel.
E2902 -BUS voltage
too low
The UPS has internal
abnormalities.
Contact service
personnel.
E3102 Inverter
output voltage
abnormal
The UPS has internal
abnormalities.
Contact service
personnel.
E3701 Overload
shutdown
The UPS is overloaded. Check the connected
loads and decrease
some loads.
E5001 Charge voltage
too high
The UPS has internal
abnormalities.
Contact service
personnel.