Tescom DS3550 User Manual page 47

806 Status code
Status
Description
Restart
Returning to fault
Check the followings
- Check the UPS nominal voltage ratings
- Call service
807 Status code
Status
Description
Restart
Returning to fault
Check the followings:
-Turn off all UPSs in parallel system and restart again
-If the code is still showned call service
820 Status code
Status
Description
Restart
Returning to fault
Fault code
821 Status code
Status
Description
Restart
Returning to fault
Fault code
822 Status code
Status
Description
Restart
Returning to fault
Check the followings:
-Check each UPS output frequency selection in parallel system
823 Status code
Status
Description
Restart
Returning to fault
Check the followings:
-Check each UPS output frequency selection in parallel system
Inverter system fault
In parallel system SLAVE UPS started but the output voltage is not match to my
inverter output voltage
Restart UPS again
Directly fault
Inverter system fault
In parallel system UPS decided to be master but there is AC voltage at the UPS
output
Restart UPS again
Directly fault
Inverter alarm
In parallel system while in slave mode , MASTER communication lost for 8
periodes ,inverter stopped
Wait until UPS provide MASTER communication
--
--
Inverter alarm
MASTER syncron failed while SLAVE UPS ,inverter stopped
Wait until UPS provide MASTER synchronization
--
--
Inverter alarm
MASTER frequency exceeded minimum limit ,inverter stopped
İf master frequency is okay automatic
--
Inverter alarm
MASTER frequency exceeded maximum limit ,inverter stopped
İf master frequency is okay automatic
--
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