Siel Green Point 6:20KVA Specifications download pdf (Page 32)

SP121E Rev. 000 Siel S.p.A. Pag. 32 of 42

Issued date: 2005-05-06

GREEN POINT

This transitory phase occurs, for example, when the machine has just been switched on, or when it is waiting to

return to inverter mode after having been switched to by-pass mode due to an overload.

[12] BY-PASS FOR OUTPUT OVERLOAD (fixed or flashing message)

If the message is flashing then the alarm has been memorised.

Indicates that the by-pass line overload has been memorised.

The overload must persist for a certain amount of time in order for it to be memorised.

[13] BY-PASS COMMAND ACTIVE; 8=COMMAND OFF

This alarm is present when the system has been deactivated and switched on to by-pass mode using the

appropriate command on the keypad. The command is memorised even if the system is shut down due to

insufficient power supply.

When the power supply returns, the system will not return to normal operation until this command has been

removed.

[14] REMOTE BY-PASS COMMAND: ACTIVE

This alarm is present when the system has been deactivated and switched on to by-pass mode using the

appropriate command connected to the “remote command and signal” connector (EPO).

The command is not memorised and the system will return to normal operation when the command is removed,

assuming that there is a stable power supply to the system.

[15] OVERTEMPERATURE OR FAN FAILURE

This alarm is activated when the temperature of the system card, the inverter power modules, the rectifier power

modules or the output filter chokes exceeds the maximum permitted value.

− This may be caused by the system operating temperature in an environment where the ambient

temperature is too high.

[17] INPUT PHASE SEQUENCE NOT OK

Indicates that the input phase sequence on the by-pass line is incorrect.

[18] OUTPUT OFF, CLOSE SWOUT OR SWMB

This alarm occurs when there is no output voltage as both the SWOUT and SWMB switches are open at the

same time.

[19] SYSTEM OFF COMMAND ACTIVE; 8=DI-ACTIVE.

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Siel Green Point 6:20KVA Specifications Page 32