Deif SGC 420 User Manual page 58

No. Alarms
19 L3 Phase Under Voltage
20 DG Phase Reversed
21 Mains Phase Reversed
22 Over Frequency
23 Under Frequency
24 Over Current
25 Over Load
26 Unbalanced Load
27 Over Speed
28 Gross Over Speed
29 Under Speed
30 Charge Fail
31 Battery Under Voltage
32 Battery Over Voltage
33 High Oil Press Detected
USER MANUAL 4189341227A UK
Causes/Indication
Indicates that genset (L3) phase voltage has fallen below
the preset under-voltage threshold.
Alternator phase sequence (L1-L2-L3) is not correct.
Mains is in unhealthy condition.
Indicates that genset output frequency has exceeded the
preset threshold.
Indicates that genset output frequency has fallen below the
preset threshold.
Indicates that genset current has exceeded the preset
threshold.
Indicates that the measured kW load rating has exceeded
the preset threshold.
Load on any phase is greater or less than other phases by
a threshold value.
Indicates that genset speed has exceeded the preset
overspeed threshold. Genset will shut down after
Overspeed delay.
Indicates that genset speed has exceeded the preset
Gross overspeed threshold. Genset will shut down
immediately without any delay.
The engine speed has fallen below the preset RPM.
The charge alternator voltage has dropped below the
preset threshold.
The battery voltage has fallen below the preset threshold.
The battery voltage has exceeded the preset threshold.
Lube oil pressure is detected above the crank disconnect
threshold when the engine is off.
Actions
Shutdown
Warning
None
Shutdown
Warning
Electrical Trip
Notification
None
Notification
Shutdown
Warning
Shutdown
Warning
None
Shutdown
Warning
Electrical Trip
Notification
None
Shutdown
Warning
Electrical Trip
Notification
None
Shutdown
Warning
Electrical Trip
Notification
Shutdown
Shutdown
Shutdown
None
Shutdown
Warning
Electrical Trip
Notification
None
Shutdown
Warning
Electrical Trip
Notification
None
Shutdown
Warning
Electrical Trip
Notification
Warning
Page 58 of 86