Lovato 31 Rgam 12 User Manual Jun 2026

| Symptom | Possible cause | Action | |---------|----------------|--------| | Switch does not latch | Broken cam spring | Replace switch | | High contact resistance | Oxidized contacts | Operate switch several times under load (self-cleaning) | | Overheating | Loose terminal or overload | Tighten screw / reduce load | | Handle difficult to turn | Debris or misaligned shaft | Check handle coupling |

The manual dedicates at least 10 pages to the programming sequence, accessed via the front panel’s four buttons (Menu, Up, Down, Enter).

+-------------------------------------------------------+ | 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) lovato 31 rgam 12 user manual

: 12VDC nominal voltage (Typically mapped across an operating window of 9VDC to 16VDC). Physical Form Factor : 144mm x 144mm front-panel mount.

Periodically runs the generator to ensure it is operational without necessarily switching the load. Common Alarm Codes | Symptom | Possible cause | Action |

Adjust the engine idle speed until the frequency reads a stable 50Hz or 60Hz. 🧽 Maintenance and Routine Testing

The Lovato 31 RGAM 12 meets global standards, making it suitable for export machinery and UL-listed panels. Periodically runs the generator to ensure it is

Generator speed governor is poorly adjusted, or the alternator AVR is failing.

Before opening the manual, you must understand what the device does. The Lovato 31 RGAM 12 is part of the RGAM series of automatic transfer switch controllers. Key specifications include: