Lovato 31 RGAM 12 is a microprocessor-based control unit designed for the automatic management of standby generating sets. It serves as an Automatic Mains Failure (AMF) controller, meaning it automatically starts the generator and handles the load changeover when it detects anomalies in the main power supply. Core Functionality Automatic Transfer (AMF):
: Used to perform a controlled test of the generator set to ensure readiness without necessarily transferring the load. Technical Specifications Power Supply
Proper physical termination prevents control logic errors and protects delicate digital inputs. All connections must comply with standard electrical engineering guidelines. lovato 31 rgam 12 user manual
| Error Code | Meaning | Likely Cause & Solution | | :--- | :--- | :--- | | | Loss of phase L1 on Mains | Blown fuse, loose wire, or utility outage. Check terminal 1. | | Err 04 | Generator frequency too low | Generator engine speed too low. Check governor. | | Err 08 | Phase rotation error | L1, L2, L3 are not in correct sequence. Swap any two phases on the input side. | | Err 12 | Emergency stop active | The external E-stop button is pressed or the NC contact is open. Check terminals 22-24. | | Err 19 | Internal memory failure | Replace the controller. This is hardware failure. | | Err 24 | Generator failed to start | The controller sent a start signal (out 15-16), but after T2+T3, no voltage was sensed on L1’-L3’. Check fuel, battery, and starter motor. |
Nominal 12VDC with an operational tolerance band between 6.2VDC and 16.5VDC . Lovato 31 RGAM 12 is a microprocessor-based control
Integrated RS232 port for PC setup and supervision. 🕹️ Operational Modes
: 12VDC nominal voltage (Typically mapped across an operating window of 9VDC to 16VDC). Physical Form Factor : 144mm x 144mm front-panel mount. Check terminal 1
Always start by positively identifying the manufacturer from the unit's back label. If that fails, the original Lovato manuals provide the necessary framework. If the documentation is insufficient, consult a qualified electrician or generator technician. By exploring the different resources listed, you will be able to master the operation, programming, and configuration of your equipment, ensuring your backup power system runs reliably for years to come.
: Parameters can be programmed directly via the front keypad or through a PC using the RGAM remote control software Interface and Indicators LED Display
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