Arizona Jerome 631-X Troubleshooting, Power Problems, Regeneration & Zero Problems

	7.	631-X TROUBLESHOOTING
Symptom			Possible Cause		Solution
Power Problems
Unit does not turn ON. Unit			Discharged battery or	Recharge battery for a minimum of
turns on when power cord is					14 hours. Refer to page 17.
plugged in. LCD displays 000			Dead battery.
when instrument is operating on				Replace battery. Refer to page 21.
AC power.
Unit does not turn on when			Open fuse.	Replace fuse. Refer to page 22.
connected to AC power cord.			Insufficient power.	Use a voltmeter to verify there is
					power to the AC outlet.
			Internal component failure.	Call AZI Customer Service for
					information at 800-528-7411 or
				602-470-1414.
Regeneration & Zero Problems
LCD displays .8.8.8.			Sensor saturated.	Do not attempt to adjust zero pot.
					The sensor must be regenerated.
					Refer to page 12 for information.
LCD displays .L.L.L when			Changes in temperature.	Readjust zero pot. See page 13 for
taking first sample.					information.
LCD displays H at finish of			Internal contamination may	Remove and replace fritware filter,
sensor regeneration when zero is			redeposit hydrogen sulfide from		intake filter disk, scrubber filters
pressed.			flow system onto gold film		and Tygon tubing. Refer to “Flow
			sensor.		System” on Page 19.
				Check tubing for kinks or crimps.
				Repeat regeneration cycle. Refer to
					page 12.
Zero adjust pot cannot be			Pot not turned sufficiently.		1. Turn zero adjust up to 20 times
adjusted to 0.					to reach the end. Pot will
					“click” softly.
					2. If no “0”, turn pot slowly in
					opposite direction until display
			Sensor may be ruptured or pot		reads “0”.
					3. If still unchanged, call AZI
			may be broken.
					Customer Service at (800) 528-
					7411 or 602-470-1414.

Page 24 of 50 AZI Customer Service 800-528-7411 or 602-470-1414