McCulloch 7096-140A02, CRFH140A Trouble Shooting, Fault, Cause Analysis, Corrective Action

TROUBLE SHOOTING

Fault	Cause Analysis	Corrective Action
	• Pressure washer not plugged in.	• Plug in pressure washer.
When switch "I" the machine	• Circuit breaker has tripped or	• Reset breaker or replace fuse.
	fuse is blown.
will not start working	• "RESET" button on GFCI not	• Push "RESET" button.
	pushed.
	• The pump is stuck.	• Turn the motor manually.
	• Insufficient water supply.	• Turn the motor manually.
	• Adjusting valve seal is worn out.	• Min inlet water pressure 20L/min.
	• Water inlet is clogged.	• Check and /or replace new valve seal.
	• Pump sucking air from	• Clean the water inlet filter.
Low water pressure or no	Connections or hoses.	• Check that connections and locking ring
water pressure		are well tightened.
	• Leakage on water outlet.	• Wrench the water connector again. If
		necessary, change a new outlet hose.
	• High pressure hose too long.	• Use pressure hose less than 30 meters.
	• Valve o-ring worn out.	• Change new o-ring.
	• The valves are dirty or blocked.	• Check, clean or replace new valve.
	• Seal worn out.	• Change water seal.
Detergent injection system	• Detergent filter is clogged.	• Clean filter.
	• Detergent too thick.	• Dilute Detergent with water.
not working
	• Detergent stocked in nozzle head.	• Clean the nozzle or replace new parts.
	• Connector not connected well.	• Wrench the connector & make it connected
Water leakage in pressure		tightly.
	• Water seal worn out.	• Change water seal.
pump
	• Pump housing and/or other parts	• Change parts.
	broken.
	• Nozzle being clogged.	• Check the nozzles.
Unstable pressure	• Pump inhale air.	• Check if all connections are airtight.
	• Valves dirty, worn out or stuck.	• Clean or replace.
	• Sealing worn out.	• Check and replace.
When you turn the switch	• Pump is stuck due to dirt, mineral	• Unplug unit. If temperature is below
	build up, or ice.	freezing do not use. Thaw in a warm area.
ON, the engine buzzes, but
	• Net voltage is lower than the
it does not start.
	minimum suggested voltage.	• Check the electric installation is suitable.

15