Multiquip Portable Generator DCA70SSIU4F

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 in the ON position.

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

Press the TEST button on the GFCI receptacle and verify that the status LED turns OFF.

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

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

Sign off on the GFCI Method Test

Any environmental factors that might contribute to the problem?

Any rusted, corroded and oxidized electrical connections?

Any carbon flash deposits around the 120/240V AC receptacles?

Any infestation inside the generator?

Any elongation on the bolt hole opening on the buss bar?

Any improperly seated electrical connectors?

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.

Try to start the engine. Did the starter crank but disengage quickly?

If the engine starts, is the ECU engine running lamp lit?

Once verified, shutdown the engine.

With the engine shutdown, adjust the the engine crank disconnect adjustment potentiometer 1 turn clockwise and try restarting the engine.

Continue performing this adjustment of the potentiometer, in a clockwise direction until the engine starts reliably.

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

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.

Start turning the overspeed adjustment potentiometer counterclockwise until the engine control shuts down the engine (overspeed fault)

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