Basic Settings and Service Procedures
HDS Middle Range / HDS Premium Range
Page 88 / 127
Service Manual 04.2008
3.2.9 Fault memory
Note
Use SET to switch to the next fault.
The fault memory can be deleted with switch OFF - hold SET - switch ON.
Mains voltage too high
Display
Note
Explanation
70 °C
Mains voltage too low
Check mains voltage
Check mains voltage
Motor current too high
Motor sluggish or
phase has failed
Check mains connection
Motor current is asymmetrical
Phase has failed
Check mains connection
Motor thermal contact open
Motor is overheated
Motor is sluggish
Check mains connection
Dry running pump
Ensure water supply
Check low-water protection
Low-water protection sticks
Check low-water protection
Oil refill container empty
Top up lubricating oil
Check oil refill container float
10 short start-ups have occurred due to leakage
Remove leak in the high-pressure
system
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