Tescom DS300-110 Series, User Manual, Page: 52 / 67

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831 Status code
Status Inverter warning
Description SLAVE UPS L1 phase output is not connected to load
Restart --
Possible causes of this status code:
-Check L1 phase UPS output fuse
-Check L1 phase output switch LEG
-Check the SLAVE UPS L1 phase output terminal for bad
connection
- Check the SLAVE UPS L1 phase output cable to load L1 phase
- Call service
832 Status code
Status Inverter warning
Description SLAVE UPS L2 phase output is not connected to load
Restart --
831 Status code causes are valid for L2 phase
833 Status code
Status Inverter warning
Description SLAVE UPS L3 phase output is not connected to load
Restart --
831 Status code causes are valid for L3 phase
841 Status code
Status Inverter warning
Description MASTER UPS L1 phase output is not connected to load
Restart --
Possible causes of this status code:
-Check L1 phase UPS output fuse
-Check L1 phase output switch LEG
-Check the SLAVE UPS L1 phase output terminal for bad
connection
-Check the SLAVE UPS L1 phase output cable to load L1 phase
-Call service