Futrex 5000A/WL, 5000/XL, 5000A/ZL Troubleshooting, Problem, Probable Cause, Corrective Measures

TROUBLESHOOTING

PROBLEM	PROBABLE CAUSE	CORRECTIVE MEASURES
1) Display shows "LOBAT"	Batteries are low	a) Replace batteries (Refer to page
		3).
2) Display shows "1999.9" or	a) Bad connection between Light	a) Be sure the Light Wand is
"-1999.99"	Wand and Probe Socket	properly inserted into the Probe
	b) Too much/too little light	Socket.
		b) Be sure the Light Wand is
		properly seated in the Optical
		Standard when Zero Adjusting.
3) Poor Repeatability	a) Inconsistent measurement	a) Make sure you are applying
	technique	enough pressure between the Light
		Wand and the subject's arm.
		b) The silver line on the Light Wand
		must be aligned with the line on the
		Optical Standard when Zero
		Adjusting.
		c) When taking a measurement, the
		sliver line on the Light Wand must
		point toward the subject's shoulder.
		d) Use the Light Shield to block the
		external light. Always avoid
		measurements under strong lights
		(e.g. direct sunlight) because errors
		may occur.
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