To Next PageTo Next PageWhy are no LEDs lit on my Generac Power Systems Measuring Instruments?
If no LEDs are lit on your Generac Power Systems Measuring Instruments, check for proper battery supply at J1 pins 3 and 4. J1 pin 3 should be + Battery (12 or 24 volts), and J1 pin 4 should be – Battery. Also, check the 1 Amp panel fuse and replace it if necessary.
General| Model | PM-DCP |
|---|---|
| Manufacturer | Generac Power Systems |
| Category | Measuring Instruments |
| Frequency Range | 50/60 Hz |
| Display Type | LCD |
Details operating temperature and humidity limits for the device.
Specifies voltage, transient protection, and cable requirements for power connection.
Outlines RS485 communication protocol, cable type, and baud rate.
Describes the alarm relay output specifications for external connections.
Lists compliance with NFPA-110 and NFPA-99 standards.
Provides temperature and humidity guidelines for shipping and storing the unit.
Illustrates dimensions and mounting hole details for surface installation.
Details installation compliance, flush mounting, and wall mounting instructions.
Explains the two operating modes (master/slave) for communication with controllers.
Describes the jumper wire connection required to set the annunciator to passive mode.
Lists the annunciator lights that indicate generator stop conditions and their colors.
Details the warning lights, their colors, and whether they are audible or latched.
Explains how the 'Generator Power' light indicates load status based on system type.
Explains how the 'Line Power' light indicates load status based on system type.
Describes the light that indicates a failure in the 120 VAC power supply to the battery charger.
Mentions the spare indicator can be activated via PLC feature for custom use.
Explains the 'System Ready' indicator, its normal ON state, and flashing behavior on alarm.
Explains the LED indicating communication status with the generator control system.
Refers to the buzzer that sounds for alarms, as detailed in the status indicators chart.
Describes the function of the test switch to activate all lights and the horn.
Explains the function of the re-arm horn switch to silence and re-arm the horn.
Details how the reset switch acknowledges alarms and affects indicator lights.
Describes the Normally Open relay contacts that mimic the audible alarm status.
Specifies the default serial communication settings (baud rate, parity, data bits).
States that the annunciator polls the generator control system once every three seconds.
Mentions that switches are scanned every 1/10 second.
Explains how communication errors are indicated by the 'Communication OK' LED flashing.
Describes conditions under which the CPU will be reset by the watchdog timer.
Provides steps to check battery supply and panel fuse when no LEDs are illuminated.
Lists checks for RS485 cable, connections, installation, and DCP port settings for this error.
Guides on checking RS485 cable, shield, installation, DCP port, and using diagnostics for data flow issues.
Details the internal wiring connections for the remote annunciator board.
Illustrates the wiring diagram for the remote relay panel.
Lists parts and descriptions for the main annunciator assembly, drawing 0F0169.
Lists parts and descriptions for the annunciator assembly, drawing 0F0173.
Details parts for annunciator and relay panel assemblies, drawing 0F0175.
Lists parts for annunciator and relay panel assemblies, drawing 0F0177.
