Haier 232738 specifications General Problem Low or Fluctuating Output, Prime/Spray Drain Valve Kit

Advanced Troubleshooting

General Problem: Low or Fluctuating Output

Specific Problem	Cause	Solution
Pump cycles, but output is low	See Basic Troubleshooting,
or surging	page 9.
	Worn or obstructed pump	Check for worn pump valves as follows:
	valves	1. Prime sprayer with paint.
		2. Trigger spray gun momentarily.
		3. When spray gun trigger is released pump
		should cycle momentarily and stop.
		4. If pump continues to cycle, pump valves
		may be worn or obstructed.
		5. Pump Service, page 20.
	Prime/Spray valve is leaking	Check Prime/Spray valve for debris trapped on
		seat and for worn parts. Torque to 21 N•m (185
		in-lb). Replace if parts are worn using
		Prime/Spray Drain Valve Kit, page 18.
	Voltage from electrical outlet is	Check voltage of outlet. Meter must read 200-260
	too low. Low voltages reduce	V AC.
	sprayer performance.	Reset building circuit breaker or replace building
		fuse.
		Repair electrical outlet or try another outlet.
	Extension cord is too long or	Replace extension cord.
	not heavy enough gauge	Grounding and Electrical Requirements, page
		7.
	Leads from motor or pressure	Be sure terminals are centered and firmly
	switch to control board are	connected. Inspect for pinched wiring and wiring
	damaged, loose, pinched, or	insulation and terminals for signs of overheating.
	overheated	Replace any loose terminals or damaged wiring.
		Securely reconnect terminals.
	Motor brushes are worn	Check length of BOTH brushes (brushes to not
		wear evenly on both sides of the motor). Brush
		length must be 6.4mm (0.25 in). If brushes are
		worn replace motor using Motor Kit, page 18.
	Motor brush springs are broken	If springs are broken replace motor using Motor
		Kit, page 18.
	Motor brushes are binding in	Clean brush holders. Remove carbon dust with
	brush holders	small cleaning brush.
	Motor stops before sprayer	Replace pressure control using Pressure Control
	reaches correct pressure (stall	Switch Kit, page 18.
	pressure is too low)
	Motor armature shorted	Check for shorts using armature tester (growler)
		or perform spin test, Motor Diagnostics, page
		19. If shorts are evident, replace motor using
		Motor Kit, page 18.

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