Multiquip Portable Generator DCA20SPXU2

NOTICE: The GFCI receptacle is designed to interrupt power when a ground fault exists to prevent injuries and shock hazards. DO NOT use the GFCI receptacle if the test below fails. Consult a qualified electrician for repair or replacement of the GFCI receptacle. Test the GFCI receptacle at least once a month.

Start the generator as outlined in the start-up procedure in this manual.

Place a GFCI circuit breaker (Figure 63) in the ON position.

Verify that the status LED on the corresponding GFCI receptacle (Figure 63) is ON (GREEN).

Press the TEST button (Figure 65) on the GFCI receptacle and verify that the status LED turns OFF.

Press the RESET button (Figure 66) to restore power to the GFCI receptacle and verify that the status LED is ON (GREEN).

If the status LED (Figure 67) is flashing (RED), DO NOT use the GFCI receptacle and replace it immediately.

Sign off on the GFCI Method Test

Check for rusted, corroded and oxidized electrical connections

Check for carbon flash deposits around the 120/240V AC receptacles

Check for signs of wire overheating

Check terminal lugs/bus bars for secure tightening

Check electrical connectors for proper seating

Check crimp connections for looseness

Warning: This adjustment requires trained personnel with PPE!

Do you have a small, flat-blade screwdriver?

Turn the engine crank disconnect adjustment potentiometer 30 turns counterclockwise.

Then turn it about 3 turns clockwise.

Is the ECU engine running lamp lit?

Adjust the the engine crank disconnect adjustment potentiometer 1 turn clockwise.

Air cleaner for restrictions and contaminants. Replace if necessary.

Cooling system hoses for cracks and distortions — tighten clamps or repair as needed.

Radiator for restrictions and corrosion.

Engine block heater for leaks and verify unit functioning properly. Engine block heater is an option on some units.

Coolant, fuel and oil leaks. Tighten connections or repair as needed.

Belts and pulleys for cracks and wear — adjust or repair as needed.

Governor and injection pump for leaks and proper operation.

Turbocharger for proper clearance and free movement as required. Reference engine service manual.

Fuel tank for contaminants and condensation.

NOTICE: Be sure you have adjusted the engine crank disconnect potentiometer first.

Turn the engine overspeed adjustment potentiometer (Figure 56C) 30 turns clockwise.

Using a small, flat-blade screwdriver, set the DIP switch at position 5 (Figure 56D) to the ON position (up).

Start the engine. It should crank and start. Verify that the engine running LED is lit.

Now start turning the overspeed adjustment potentiometer counterclockwise until the engine control shuts down the engine (overspeed fault).

Again using a small, flat-blade screwdriver, set the DIP switch at position 5 to the OFF position (down).

If the overcrank and overspeed LEDs light at the same time on the ECU, reference troubleshooting flow charts in this service manual for additional information.

Sign off on the engine overspeed adjustment