[ Mains Supply L1, L2, L3, N ] [ Gen Alternator L1, L2, L3, N ] │ │ ▼ ▼ ┌──────────────────────────────────────────────────────────────────┐ │ LOVATO 31 RGAM 12 CONTROLLER │ └──────────────────────────────────────────────────────────────────┘ ▲ ▲ │ │ [ 12V Battery Input ] [ Control Outputs ] (Terminal 1 & 2) - Fuel Solenoid - Crank Motor - Contactors Interlock Critical Terminal Pinout
: Toggles between displayed values (MAINS, GEN, FREQ, BATT, HOUR) or clears active alarms.
: Lights up when a valid start signal (from alternator or generator voltage) is detected. NET / GEN Contactors lovato 31 rgam 12 user manual
Master Your Generator: A Guide to the Lovato 31 RGAM 12 Controller If you are managing a backup power system, the Lovato 31 RGAM 12
: Allows the operator to manually start and stop the generator using the front-facing buttons. AUT (Automatic) [ Mains Supply L1, L2, L3, N ]
+-------------------------------------------------------+ | LOVATO 31 RGAM 12 | +-------------------------------------------------------+ | | | | [12VDC Supply] [Mains Sensing] [Gen Sensing] [Serial Comms] | | | | (Pin 1: +12V) (3-Phase L1) (Single-Phase) (RS232 Port) (Pin 2: GND) (3-Phase L2) (To PC/Modem) (3-Phase L3) (Neutral) Mains Voltage Monitoring (Three-Phase)
This occurs if the engine undergoes its set number of crank attempts without firing. Check fuel levels, battery strength, and the fuel solenoid. Engine vibrations can loosen terminal screws over time;
Inspect all wiring terminal screws on the back of the unit. Engine vibrations can loosen terminal screws over time; retighten them if necessary.