Karcher 600 CD WTC 600 LP / MP, Maintenance, Indication, Malfunction, Cause, Corrective Action

WTC 600 LP / MP MAINTENANCE

4.5.2Malfunction Indication at the Operating Panel

The control system detects operational malfunctions only while in operation operating mode; these are indicated on the display. The occurrence of an error usually leads to the complete system being switched off (production is interrupted).

Indication	Malfunction	Cause	Corrective Action	Chap./
				Fig.
Motor/	Metering containe		Fill up	3.2
hard water	empty
Lack of pressure	PI station gene-	No water	Establish the flow of
	rates no pressure	available	untreated water again
		Air in the pump	Bleed the pump; connect
			pump directly in canal,
			run for 30 sec.
		Suction height too	Ensure supply pressure
		high, pump is not	to the pump (mains
		self-priming	supply, submerged
			pump, ... )
	Supply pressure of	Flow rate through	see 4.5.4
	the reverse	preliminary filter
	osmosis too low	too low
	Differential	Filter soiled	Replace filter cartridge	4.1
	pressure of the
	preliminary filter
	>>1 bar
	Pressure switch		Replace pressure	2.2,
	defective		switch (pay attention to	Pos. 4.9
			setting)
	Flow rate in sand	Filter clogged	Initiate backwashing	3.4.2
	filter too low
Conductance	Permeate	Yield too high	Increase flow of	3.4.3.7
value	conductance value		concentrate
exceeded	too high
		Very high salt	Check cause;	1)
		content in	notify sales dept.
		untreated water
		Defective seal or	Replace parts; switch off	ETL
		membrane	system, if required
	Conductance		Calibrate again;	ETL, SLP
	value probe		replace if required
	defective
Table 29

1)See untreated water analysis, operational start-up record

Service Handbook 08.2004 57