Troubleshooting, Wiring Diagram | Harbor Freight Tools 6842 instruction

Troubleshooting


Problem			Possible Causes		Likely Solutions
Motor will not	1.	Cord not connected.		1.	Check that cord is plugged in.
start.	2.		No power at outlet.	2.	Check power at outlet. If outlet is unpowered, turn off
					tool and check circuit breaker. If breaker is tripped,
					make sure circuit is right capacity for tool and circuit
					has no other loads.
	3.		Fuse is blown or breaker tripped.	3.	Have fuse replaced by a qualified service technician.
	4.		Internal damage or wear. (Carbon	4.	Have serviced by a qualified service technician.
			brushes or switch, for example.)
Motor runs	1.		Improper priming.	1.	Re-prime according to directions.
but water isn’t	2.		Clogged filter at end of intake	2.	Clean filter.
pumping.			connections.
	3.		Discharge valve closed.	3.	Open discharge valve.
	4.		Pipe size too small.	4.	Re-pipe using pipe of the same size as the Pump
					inlet and outlet ports.
	5.		Impeller plugged.	5.	Have Impeller cleaned by qualified service technician.
	6.		Pipes frozen.	6.	Thaw pipes. Check for damage before using pump.
Pump does not	1.	Corroded pipes.		1.	Replace pipes.
deliver water at	2.	Piping size too small.		2.	Re-pipe using pipe of the same size as the Pump
full capacity.					inlet and outlet ports.
	3.		Not enough water supplied to Pump.	3.	Enlarge inlet pipe. Check well pump system.
	4.		Low Voltage.	4.	Check that outlet is 120V.
Excessive noise	Internal damage or wear. (Carbon			Have technician service tool.
or rattling.	brushes or bearings, for example.)

Follow all safety precautions whenever diagnosing or servicing the tool. Disconnect power supply before service.

Wiring Diagram

1	POWER CABLE
2	PRRESSURE SWITCH
3	TERMINAL
4	CAPACITOR
5	MOTOR

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For technical questions, please call 1-800-444-3353.

SKU 68421

6842 specifications

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