104 English 5.906-432.0 Rev. 00 (06/15)
Note
Use SET to switch over to the next fault.
With switch-off - hold SET - switch-on the fault memory
can be deleted.
7.33 Error memory
Display Explanation Remark
70°C Mains voltage too high Check the supply voltage.
Mains voltage too low Check the supply voltage.
Motor current too high Motor sluggish or phase
failed.
Check the mains connection.
Motor asymmetric Phase failed.
Check the mains connection.
Thermal motor protection switch open. Engine is overheated
Motor sluggish.
Check the mains connection.
Dry running of the pump (2 minutes) Ensure water supply.
Check water shortage safe
guard.
Water shortage safeguard is sticky (reed switch or
magnetic piston)
Check water shortage safe
guard.
Oil refill container empty Refill lubricating oil.
Check the float of the oil refill
container.
10 short startups took place due to leakage Rectify leaks in the high-
pressure system.
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