Xtreme Power Conversion Corporation
M90S-4S User’s Manual
Page 87
Uninterruptible Power Supply
Fault 1C:Nega Power T
T phase inverter Output Negative
Power is beyond the range.
Contact service personnel.
Fault 21:Inv STS Open
Inverter relay or STS is open.
Contact service personnel.
Fault 22:Inv STS Short
Inverter relay or STS is short circuited.
Contact service personnel.
Fault 23:Op STS Open
Output relay or STS is open.
Contact service personnel.
Fault 24:Op STS Short
Output relay or STS is short circuited.
Contact service personnel.
Fault 25:Wiring Fail
The wiring is wrong.
Contact service personnel.
Fault 26:Bat Fuse Open
Battery fuse is broken.
Contact service personnel.
Fault 27:Charge Short
The battery is short circuited.
Contact service personnel.
Fault 31:Para Comm Fail
The communication between UPS
modules is interrupted.
Contact service personnel.
Fault 32:Host Line Fail
The host line between UPS modules
fails.
Contact service personnel.
Fault 33:OP Curr Unbal
The load share line between UPS
modules fails
Contact service personnel.
Fault 34:Ver Incompat
The firmware version between UPS
modules is incompatible.
Contact service personnel.
Fault 41:DSP Comm Fail
The internal communication in UPS
module is interrupted.
Contact service personnel.
Fault 42:Over load
Heavy overload causes UPS fault.
Reduce some load.
Fault 43:Charger Fail
Battery polarity is connected reverse-
ly or charger voltage is abnormal.
Fault 44:Model Fault
UPS model is not able to identify.
Contact service personnel.
Fault 45:Mcu Comm Fail
As stated.
Contact service personnel.
Fault 46:CT Satiation
Load current sensor is abnormal.
Contact service personnel.
Fault 47:Fan Fault
The two fans are stuck or broken.
Make sure fans work well when UPS
is working.
Warning 01:BatLow
Battery voltage is low.
Charge the battery when the mains is
normal.
Warning 02:BatOpen
Battery is not connected.
1. Check battery breaker status.
2. Check if the battery connection is
well connected.
3. Check the setting of Nominal Bat-
tery voltage.
4. Contact service personnel if nec-
essary
Warning 03:BatPhaseLoss
The voltage between positive and
negative battery is different.
Check the battery connection.
Warning 04:LineIpNLoss
Neutral loss
Check if the Neutral connection is
well and contact service personnel.
Warning 05:LinePhaseError
As stated
Check if the Mains phase sequence is
correct and contact service person
-
nel.