Tescom DS300SHPA Series User Manual page 55

823 Status code
Status Inverter alarm
Description MASTER frequency exceeded maximum limit ,inverter stopped
İf master frequency is okay automatic
Restart
Returning to fault --
Check the followings:
-Check each UPS output frequency selection in parallel system
824 Status code
Status Inverter alarm
Description MASTER DC voltage zone 7,My DC voltage zone 1 inverter down
İf mains input voltage is okay automatic
Restart
Returning to fault --
Check the followings:
-Check the mains input power of the UPS
- If input power is OK wait until batteries are fully charged
- If the mains input power is shurdown check the other UPSs mains input power (in parallel system if the
same A/H rating batteries are used at each UPS the battery discharge timebe same for each UPS) If the
other UPS is continue to run check the batteries of this UPS.
-Call service
825 Status code
Status Inverter alarm
Description SLAVE DC voltage zone 7,My DC voltage zone 1 inverter down
İf mains input voltage is okay automatic
Restart
Returning to fault --
Check the followings:
-Check the mains input power of the UPS
- Check the battery status of this UPS
- Call service
826 Status code
Status Inverter alarm
Description MASTER DC voltage zone 7,My DC voltage zone 1 trying to join system
İf mains input voltage is okay automatic
Restart
Returning to fault --
827 Status code
Status Inverter alarm
Description SLAVE DC voltage zone 7,My DC voltage zone 1 trying to join system
İf mains input voltage is okay automatic
Restart
Returning to fault --
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