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SC420I reports wrong model number and line voltage

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oregszun
oregszun
Cadet

Posted: ‎2022-12-12 03:09 AM

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Posted: ‎2022-12-12 03:09 AM

SC420I reports wrong model number and line voltage

Hi everyone,

 

my SC420I reports wrong model number and line voltage(details bellow).

I tried with apcupsd, nut and serial terminal in Linux and Powerchute Business on Windows 10. Same result everywhere.

I use FTI FT232R serial to usb converver(probed different ones as well) and a geunie APC 940-0024E cable.

 

Any ideas whats wrong and how could I fix it?

 

Here is the dump if apctest:
Simulating UPSlinkCheck ...
Wrote: Y Got: SM
Attempting to use smart_poll() ...
Sent: Y Got: SM Good -- smart_poll() works!.

Going to ask for valid commands...
Wrote: a Got: 3.?=.')-89@ABDEFGKLMNOPQRSUVWXYZabcdefgjklmnopqrsuxyz~
Protocol version is: 3
Alert characters are: ?=
Command characters are: ^A^N^Z')-89@ABDEFGKLMNOPQRSUVWXYZabcdefgjklmnopqrsuxyz~

Now running through apcupsd get_UPS capabilities().
NA indicates that the feature is Not Available

UPS Status: 48
Line quality: FF
Reason for last transfer to batteries: S
Self-Test Status: NO
Line Voltage: 117.3 - SHOULD BE 230V!!!
Line Voltage Max: 117.3
Line Voltage Min: 115.9
Output Voltage: 117.3
Batt level percent: 090.0
Batt voltage: 13.20
UPS Load: 000.0
Line freq: 49.75
Runtime left: 0000
UPS Internal temp: NA
Dip switch settings: NA
Register 1: 00
Register 2: 00
Register 3: 00
Sensitivity: H
Wakeup delay: 000
Sleep delay: 180
Low transfer voltage: 106
High transfer voltage: 127
Batt charge for return: 00
Alarm status: 0
Low battery shutdown level: 05
UPS Name:
UPS Self test interval: 336
UPS manufacture date:
UPS serial number:
Date battery replaced:
Output voltage when on batteries: 115
Nominal battery voltage: 012
Percent humidity: NA
Ambient temperature: NA
Firmware revision: 10.1.D
Number of external batteries installed: NA
Number of bad batteries installed: NA
UPS model as defined by UPS: Back-UPS Pro 280 - SHOULD BE Smart-UPS SC420I
UPS EPROM capabilities string: uD43127130133136uA43108110112114uI43253257261265lD43106103100097lA43092090088086lI43208204200196e44200155090oD13115oA13100oI13230s441HMLLq44202050710p443060180300600k4410TLNr443000060180300E443336168ON OFF
The EPROM string is 205 characters long!
Hours since last self test: 000.0

That is all for now.

 

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