• Verify that the power knob on the DC power supply is set to the ON (I) position

• Verify that the 3 phase mains input disconnect switch (at the back of the test bench, on the PDU, and/or building disconnect switch) is turned on

• Verify that the circuit breaker on the 3 phase mains input (inside the PDU or building breaker) is activated and has not tripped, refer to problem Overcurrent protection on 3 phase mains input keeps tripping when working in the medium to high power range on the test bench if this problem keeps reappearing

• Verify that the Emergency Stop on OP1490 is deactivated (+24V_E-STOP LED must be lit), rotate the Emergency Stop button clockwise if not the case, refer to problem OP1490: +24V_E-STOP light does not turn on when releasing the EMERGENCY STOP button if necessary

• Verify that the DC OK LED light on the MDR-60-24 Power Supply is ON inside the PDU. If not, make sure all 120V connections on the Power Bar(s) are well done (no loose)

• Verify that the signal harness on the rear panels of the OP1490 (E-STOP connector) and on the rear panel of the OP1460/1480 (P1 connector) are correctly plugged in

• Verify that the Start/Stop button is lit on the OP1490, press Start if not the case, refer to problem OP1490: Start/Stop button not working if necessary

• For test bench models with more than one DC power supply, verify that the 3 phase connections are interleaved from one power supply to another to ensure balanced three phase current, as documented in OP14xx Installation - Reassembling the rack

• Verify that the current limits of the DC power supplies are properly set. Refer to DC Power supplies - Functional overview

• Verify that the DER channel is turned ON (the light between the Start/Stop button must be lit), refer to problem OP1460: DER outputs cannot be turned on if necessary

• Verify that the wiring from the amplifier to the OP1460 is correct, refer to OP1400 Series Operation - Preparing the PHIL Test Setup

• Verify that the output (Internal/External) selector switch for the appropriate DER channel is set to the desired position, refer to OP1460 Microgrid Interface with Busbar - Controls and indicators

• If using the external outputs of the OP1460, verify that the associated disconnect switch is in closed position, refer to OP1460 Microgrid Interface with Busbar - Controls and indicators

• Verify that the fuse holders on the rear panel of the OP1460 are not opened and that the fuses are intact, refer to OP1460 Microgrid Interface with Busbar - Controls and indicators

• Verify that the proper channel is turned ON (the light between the Start/Stop button must be lit), refer to problem OP1480: outputs cannot be turned on if necessary

• Verify that the wiring from the amplifier to the OP1480 is correct, refer to OP1400 Series Operation - Preparing the PHIL Test Setup

• Verify that the associated disconnect switch is in closed position, refer to OP1480 Amplifier interface - Controls and indicators

• Verify that the fuse holders on the rear panel of the OP1480 are not opened and that the fuses are intact, refer to OP1480 Amplifier interface - Controls and indicators

• Verify that the SFP cable is correctly connected between the amplifier (right SFP port) and the simulator

• Verify that the SFP communication link has been correctly configured in RT-LAB and that the model is running (measurements coming from the amplifier should have a little noise)

• Verify that the OP8110 amplifier unit is turned ON (light inside power-on button on the front panel is green), refer to problem OP8110 Amplifier does not turn ON if necessary

• Verify that the SFP cable is correctly connected between the amplifier (right SFP port) and the simulator

• Verify that the SFP communication link has been correctly configured in RT-LAB and that the model is running (measurements coming from the amplifier should have a little noise)

• Verify that the OP8110 amplifier unit is turned ON (light inside power-on button on the front panel is green), refer to problem OP8110 Amplifier does not turn ON if necessary

• Power down the DC supply and wait for 5 minutes before reenabling the precharge sequence, refer to OP8110 Power Stage (DC Precharge section).

• Verify that the SFP cable is correctly connected between the amplifier (right SFP port) and the simulator

• Verify that the SFP communication link has been correctly configured in RT-LAB and that the model is running (measurements coming from the amplifier should have a little noise)

• Try clicking on the DISABLE button before retrying the ENABLE button (GUI synchronisation issue that arises when trying to enable outputs too rapidly)

• Verify that the auxiliary supply harnesses (one for OP8110-3, two for OP8110-6) are correctly plugged-in on the OP8110's 12V AUX connectors on the rear panel

• Verify that the signal harness on the rear panels of the OP1490 (PS_AUX_CONNECTOR) is correctly plugged in

• Verify that all the +12V PS_AUX LEDs are lit on the OP1490, refer to problem OP1490: one or more of the +12V PS_AUX lights are not lit if necesary

• Verify that all power bars inside the test bench are plugged in and turned ON (indicator light should be lit on power bars)

• Verify that the supply inlet is plugged on the rear panel of the OP1470

• Verify that the power switch is turned ON (I) on the OP1470's rear panel

• Verify that all the signal connectors (V_uGRID, I_uGRID, V_DERx and I_DERx) have their harnesses plugged-in on OP1470's rear panel and that they are correctly mapped (refer to labels on signal harnesses)

• Verify that all the signal connectors (V_uGRID, I_uGRID, V_DERx and I_DERx) have their harnesses plugged-in on OP1460's rear panel and that they are correctly mapped (refer to labels on signal harnesses)

• Verify that the Emergency Stop on OP1490 is deactivated (+24V_E-STOP LED must be lit), rotate the Emergency Stop button clockwise if not the case, refer to problem OP1490: +24V_E-STOP light does not turn on when releasing the EMERGENCY STOP button if necessary

• Verify that the signal harness on the rear panels of the OP1490 (E-STOP connector) and on the rear panel of the OP1460 (P1 connector) are correctly plugged in

• Verify that the DC OK LED light on the MDR-60-24 Power Supply is ON inside the PDU.

• Verify that the 24V ON light is lit on the OP1460's front panel, refer to problem OP1460 is not supplied if necessary

If operating the OP1460 in local mode (with Start/Stop buttons):

• Verify that the DER Control selector switch on the OP1460 is set to Local position, refer to OP1460 Microgrid Interface with Busbar - Controls and indicators

If operating the OP1460 in remote mode (with simulator's digital outputs):

• Verify that the DER Control selector switch on the OP1460 is set to Remote position, refer to OP1460 Microgrid Interface with Busbar - Controls and indicators

• Verify that a DB37 harness is connected between the OP1460's C1 connector (rear panel) and the appropriate digital output connector of the simulator

• Verify that the digital output module of the simulator is correctly configured (a loopback test can be done with the DB37 harness looping back to a digital input module)

• Verify that the Emergency Stop on OP1490 is deactivated (+24V_E-STOP LED must be lit), rotate the Emergency Stop button clockwise if not the case, refer to problem OP1490: +24V_E-STOP light does not turn on when releasing the EMERGENCY STOP button if necessary

• Verify that the signal harness on the rear panels of the OP1490 (E-STOP connector) and on the rear panel of the OP1480 (P1 connector) are correctly plugged in

• Verify that the DC OK LED light on the MDR-60-24 Power Supply is ON inside the PDU.

• Verify that the 24V ON light is lit on the OP1480's front panel, refer to problem OP1460 is not supplied if necessary

• Verify that all power bars inside the test bench are plugged in (Double Check for any loose connection) and turned ON (indicator light should be lit on power bars)

• Verify that the supply inlet is plugged on the rear panel of the OP1490

• Verify that the power switch is turned ON (I) on the OP1490's rear panel

• Verify that the fuses on the OP1490's front panel are intact, replace if necessary

• Verify that the signal harness on the rear panels of the OP1490 (START-STOP connector) is correctly plugged in

• Verify that all power bars inside the test bench are plugged in (Double Check for any loose connection) and turned ON (indicator light should be lit on power bars)

• Verify that the supply inlet is plugged on the rear panel of the OP1490

• Verify that the power switch is turned ON (I) on the OP1490's rear panel

• Verify that the DC OK LED light on the MDR-60-24 Power Supply is ON inside the PDU.

• Verify that all power bars inside the test bench are plugged in (Double Check for any loose connection) and turned ON (indicator light should be lit on power bars)

• Verify that the supply inlet is plugged on the rear panel of the OP1490

• Verify that the power switch is turned ON (I) on the OP1490's rear panel

• Verify that the right-most fuse on the OP1490's front panel is intact, replace if necessary

• Verify that the DC OK LED light on the MDR-60-24 Power Supply is ON inside the PDU.