Emerson 2468CB, 2468CD manual Category, Symptom, POSSIBLE CAUSES See Note, SOLUTION See Note

CATEGORY		SYMPTOM		POSSIBLE CAUSES (See Note 1)		SOLUTION (See Note 2)
PSU (AC)	∙	Hydrastep system does not power-up.	∙	Wrong voltage setting.		∙ Refer to Part 1, Section 2.4.2.4.
			∙	Incorrect supply.
			∙	Blown fuse.
			∙	Incorrect cable termination.
PSU (DC)	∙	Hydrastep system does not power-up.	∙	Incorrect supply.		∙ Refer to Part 1, Section 2.4.2.4.
			∙	Blown fuse.
			∙	Incorrect cable termination.
MAIN DISPLAY	∙	Chequered / intermittent display.	∙	Incorrect configuration.		∙ Refer to Part 1, Section 2.5.2.
	∙	No display.				∙ Refer to Part 1, Section 2.5.2.1.
	∙	Yellow LED illuminated.				∙ Refer to Part 1, Section 2.5.2.2.
REMOTE DISPLAY	∙	Chequered / intermittent display.	∙	Incorrect configuration.		∙ Check Main Display, as above.
	∙	No display.				∙ See Part 1, Section 4.2 (Relevant display).
	∙	Yellow LED illuminated.	∙	Incorrect interface cable connection.		∙ Check cable connections. See Part 1, Section4.4.
ELECTRODE ALARM	∙	Flashing Red (steam) and Green (water)	∙	Electrode contamination	∙ Refer to Part 2, Section 3.
ERROR		LED’s with Yellow alarm LED illuminated.
			∙	Incorrect column installation reducing	∙ Refer to Part 2, Section 2.3.
				condensate flow.
			∙	Water conductivity is too high.	∙ Refer to Part 1, Section 2.5.1.3.
					∙ Refer to Part 1, Section 2.5.1.4.
WATER/STEAM	∙	Water above steam (green above red) with	∙	Threshold not matched to application.	∙ Refer to Part 1, Section 2.5.2.3.
SWITCHING		yellow LED illuminated
THRESHOLD			∙	Electrode contamination.	∙ Refer to Part 2, Section 3.

Note 1: Further detailed information can be found in Fault finding Part 1, Sections 2.6 and 4.5.

Note 2: References are to Operating Manuals 24685033 (for 2468CA and 2468CC models) and 24685034 (for 2468CB and 2468CD models).