STUDER INNOTEC | 
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4.2Light Emitting Diodes (LED)
LED | Marking | LED lit | LED blinks | |
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  | Voltage  | A voltage outside the   | |
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  | corresponding to  | values is at the AC IN input, or the  | |
1  | AC IN  | |||
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  | values is at the AC  | phases  | |
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  | IN input.  | 
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  | Battery charger is  | The battery charger is locked OFF  | |
2  | CHARGER | working  | (see chap. 4.6) or provisory out of  | |
  | order. In that last case it will restart  | |||
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  | within 10 seconds  | |
3  | Reserved  | 
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4  | Program  | Program mode for  | 
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Aux. Contact  | 
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5  | Contact  | Auxiliary Contact is  | 
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active  | activated  | 
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6  | Contact  | Aux. Cont.  | 
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manual  | manually activated  | 
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  | Transfer system is  | Transfer (bypass) is disabled (see  | |
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  | active. In- coming  | chap. 4.7)  | |
7  | TRANSFER | voltage is being  | 
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  | sent directly to AC  | 
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  | OUT outlet  | 
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  | There is a voltage  | The Inverter is in   | |
8  | AC OUT  | at the AC OUT  | 
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  | outlet  | 
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9  | INVERTER | Inverter is working  | Forced Inverter Mode (see chap. 4.5)  | |
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  | For the time being  | 
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  | the   | 
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10  | Over Temp.  | is out of service  | 
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  | because of  | 
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  | overheating.  | 
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  | The HP-  | 
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  | COMPACT is out  | 
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11  | Overload  | of service because  | 
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  | of overload or  | 
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12  | Batt.  | Battery voltage is  | Battery voltage is or was to high  | |
Low/High  | too low  | 
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13  | OFF | turned off. Turning  | turned off. Turning it back on will  | |
it back on is only  | follow automatically !  | |||
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  | possible manually.  | 
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14  | EQUALIZE  | Battery equalizing  | 
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is set  | 
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  | State of charge of  | LED 15 – Absorption time is running  | ||
  | the battery  | 
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 | 15/80  |