Deif SGC 120 - Page 50

Alarms and their causes
No. Alarms Causes/Indication Actions
1
Low Oil Pressure 
The measured oil pressure is less than the configured
value.
Shutdown
Warning
Low Oil Pressure  The switch has measured a low oil pressure.
Shutdown
Warning
Electrical Trip
Notification
2
Low Fuel level 
The measured fuel level is less than the configured
value. This is only detected when the genset is in
operation.
Shutdown
Warning
Low Fuel level  The switch has measured a low fuel level.
Shutdown
Warning
Electrical Trip
Notification
3
High Eng CLNT Temp

The measured engine coolant temperature is more than
the configured value. This is only detected when the
genset is in operation.
Shutdown
Warning
High Eng CLNT Temp

The switch has measured a high engine coolant
temperature.
Shutdown
Warning
Electrical Trip
Notification
4
Low Eng CLNT Temp

The measured engine coolant temperature is less than
the configured value.
Shutdown
Warning
5 Low Water Level 
The measured radiator water level is less than the
preset threshold.
Shutdown
Warning
Electrical Trip
Notification
6 Over Speed
Genset speed is more than the configured overspeed
value. The genset shuts down after overspeed delay.
Shutdown
7 Gross Over Speed
Genset speed is more than the configured value for
gross overspeed. The genset shuts down immediately
without delay.
Shutdown
8 Under Speed The engine speed is less than the preset RPM. Shutdown
9 L1 Phase Over Voltage
Genset  phase voltage is more than the configured
over-voltage value.
Shutdown
Warning
10 L1 Phase Under Voltage
Genset  phase voltage is less than the configured
under-voltage value.
Shutdown
Warning
11 L2 Phase Over Voltage
Genset  phase voltage is more than the configured
over-voltage value.
Shutdown
Warning
12 L2 Phase Under Voltage
Genset  phase voltage is less than the configured
under-voltage value.
Shutdown
Warning
13 L3 Phase Over Voltage
Genset  phase voltage is more than the configured
over-voltage value.
Shutdown
Warning
14 L3 Phase Under Voltage
Genset  phase voltage is less than the configured
under-voltage value.
Shutdown
Warning
15 Over Frequency
Genset output frequency is more than the configured
value.
Shutdown
Warning
16 Under Frequency
Genset output frequency is less than the configured
value.
Shutdown
Warning
User manual 4189341340A EN Page 50 of 76