ABB PowerValue RT G2 User Manual page 42

42 A B B U P S P R O D U C T S A N D S O L U T I O N S
LCD Message
Fault 23:Op STS Open
Fault 24:Op STS Short
Fault 25:Wiring Fail
Fault 26:Bat Fuse Open
Fault 27:Charge Short
Fault 31:Para Comm Fail
Fault 32:Host Line Fail
Fault 33:OP Curr Unbal
Fault 34:Ver Incompat
Fault 41:DSP Comm Fail
Fault 42:Over load
Fault 43:Charger Fail
Fault 44:Model Fault
Fault 45:Mcu Comm Fail
Fault 46:CT Satiation
Fault 47:Fan Fault
Warning 01:BatLow
Warning 02:BatOpen
Warning 03:BatPhaseLoss
Warning 04:LineIpNLoss
Warning 05:LinePhaseError
Explanation
Output relay or STS is open.
Output relay or STS is short
circuited.
The wiring is wrong.
Battery fuse is broken.
The battery is short circuited.
The communication between UPS
modules is interrupted.
The host line between UPS modules
fails.
The load share line between UPS
modules fails.
The firmware version between UPS
modules is incompatible.
The internal communication in UPS
module is interrupted.
Heavy overload causes UPS fault.
Battery polarity is connected
reversely or charger voltage is
abnormal.
UPS model is not able to identify.
As stated.
Load current sensor is abnormal.
The two fans are stuck or broken.
Battery voltage is low.
Battery is not connected.
The voltage between positive and
negative battery is different.
Neutral loss
As stated.
Solution
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Reduce some load.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Make sure fans work well when UPS is
working.
Charge the battery when the mains is
normal.
1. Check battery breaker status.
2. Check if the battery connection is
well connected.
3. Check the setting of Nominal Battery
voltage.
4. Contact service personnel if
necessary
Check the battery connection.
Check if the Neutral connection is well and
contact service personnel.
Check if the Mains phase sequence is
correct and contact service personnel.