Kärcher HDS 7/12 M Service Manual page 12

LED no. Symbol
6
7
8
9
Note
Tag is an electronic component on the new square soften-
er bottle. The tag is located behind the bottle label. The tag
can be read and written on electronically (also see 6.10.3
"Functionality RFID").
12
English 5.906-432.0 Rev. 00 (06/15)
Activity Meaning / measure
1 x blinking Exhaust thermostat open. Check/replace emission temperature/
thermostat. Perform maintenance on the burner.
2 x blinking Flame sensor reports burner fault. Clean and check the burner, ig-
nition and fuel system.
3 x blinking RFID write-read electronics is defective - replace.
4 x blinking Fault water temperature sensor. Cable break (temperature below
-5°C, although the burner is on) or short circuit (temperature
above 220°C for a longer period of time). The device switches off
after approx. 10 seconds.
glow Service tasks due:
–
–
–
glow Softener level switch detects empty condition or the units on the
tag of the softener bottle have been consumed.
1 x blinking 5 hours of after-running time elapsed, burner is locked. Insert new
softener bottle.
glow Detergent tank 2 is empty. Refill detergent (only HDS 12/18)
400h burner
600h pump
80000 gun switching operations