Sunway NT 10000 user manual Protection Concept, Error No Description, Error Description

Protection Concept

The micro controller continuously and simultaneously monitors and displays the following parameters. Numbers 1 to 3 refer to the energy units 1 to 3:

Error No.	Description
001	DC overvoltage 1
002	DC overvoltage 2
003	DC overvoltage 3
004	Frequency fault 1
005	Frequency fault 2
006	Frequency fault 3
007	Overheating of heat sink 1
008	Overheating of heat sink 2
009	Overheating of heat sink 3
010	Grid undervoltage 1-phase 1
011	Grid undervoltage 1-phase 2
012	Grid undervoltage 1-phase 3
013	Grid overvoltage 1-phase 1
014	Grid overvoltage 1-phase 2
015	Grid overvoltage 1-phase 3
016	Grid undervoltage 3-phase
017	AFI fault 1
018	AFI fault 2
019	AFI fault 3
020	Insulation fault 1

The numbering 1 to 3 refers respectively to the performance unit 1 to 3:

Error	Description
No.021	Insulation fault 2
022	Insulation fault 3
023	DC injection 1
024	DC injection 2
025	DC injection 3
026	Isolated operation
027	Grid overvoltage 3-phase
028	Surge fault 1
029	Surge fault 2
030	Surge fault 3
031	Grid voltage 10 minutes mean value
	> 10 percent Unominal 1
032	Grid voltage 10 minutes mean value
	> 10 percent Unominal 2
033	Grid voltage 10 minutes mean value
	> 10 percent Unominal 3
034	Control circuit board 1 fault
035	Control circuit board 2 fault
036	Control circuit board 3 fault
038	Back-up battery empty

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