Hach 900 manual Section Programming the Sampler for Level Control, Other Displayed Messages

Section 4

4.9 Programming the Sampler for Level Control

				Put the sampler in a standby state (i.e. "Program Halted", "Ready To Start" or
				"Program Complete") hold CLEAR ENTRY for two seconds. This will cause the
				display to read "Level Control?". The following messages may be displayed in
				the level control program:
Item		Message		Description of Message
Number
1		LEVEL CONTROL		If you press NO, SPECIAL OUTPUT? will appear on the display. If you press YES, the
				display shows item 2.
2		LEVEL START?		If you press YES, the sampler operates as described in Mode 1. If you press NO, the
				display shows item number 4.
3		LEVEL START/STOP		If you press YES, the sampler operates as described in Mode 2. If you press NO, the
				display shows item number 5.
4		SAMPLE ON LEVEL?		If you press YES, the sampler operates as described in Mode 3. If you press NO, the
				display shows item number 1.
				Note: In addition to the liquid level actuator, a Multi-purpose Half cable (Cat. No. 941
				or 541) may be used to connect the sampler to any controlling device which
				produces a dry contact closure upon a predetermined conditions. For example, a
				pH meter with adjustable high/low set points can be used to control sampler
				operation in any of the three level/auxiliary control modes.
4.10 Other Displayed Messages
	Message			Description of Message
YES/NO or * TO			This message appears if a key other than YES or NO is pressed and the displayed message is
			followed by a question mark while in the Parameter Entry, Programming Running, or Time Set
	BACKUP
			modes.
WHILE RUNNING, KEY			This message appears if a key other than 0, 1, or 2 is pressed while the program is running. The
			program must be halted (press the 2 key) before any manual operations are performed, such as
0 - 1 - 2 ONLY
			Bottle Advance, Pump, Purge, Take Sample, New Program, etc.
			This message appears if DISPLAY FEEDBACK is pressed and the sample program has been halted.
REVIEW RESULTS?			A YES response will cause the sample program results to appear. A NO response causes REVIEW
			PROGRAM? to appear.
REVIEW PROGRAM?			If you press the YES key, all programmed settings will appear on the display. Pressing the NO key
			will place the sampler back into the standby state.
LOW BATTERY			This message indicates that the external battery is low and requires recharging.
MEMORY POWER LOW			This message indicates that the internal lithium battery is low and needs to be replaced.
PROGRAM STOPPED			During composite mode, this message appears upon a full bottle condition. The program cannot
DUE TO FULL BOTTLE			be restarted until the composite container is emptied and the float switch is in the lowered position.
			If your instrument is programmed for single container composite sampling, this message appears
			if the START PROGRAM key is pressed and the float switch is not in the lowered position. Because
			the same circuit path is used for the composite full bottle float switch (composite mode) and
BOTTLE IS FULL			#1 bottle indicator (multiple bottle mode), this message will also appear if the START PROGRAM key
			is pressed with the sampler programmed for single container composite with the distributor
			assembly in place, and the arm in the #1 bottle position. To correct this situation, remove the
			distributor, install the composite container retainer, and press the START PROGRAM key.
FULL BOTTLE or			The full bottle float switch is in the raised position due to a full composite container. To resume the
PROGRAM HALTED			program, exchange the full container with an empty one. With the float switch in the lowered
DUE TO FULL BOTTLE			position, the program will resume within one minute.
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8544operations.fm				Programming the Sampler for Level Control