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English
Fault signals
Code Fault
Cause
Remedy
E 04
Undervoltage
Power supply too
low on mains side.
Check mains
voltage.
E 05
Overvoltage
Power supply too
high on mains side.
Check mains
voltage.
E 07
Generator
operation
Water is flowing
through the pump
hydraulics, but pump
has no mains volt-
age.
Check mains
voltage.
E 10
Blocking
The rotor is blocked
Contact specialist
technician
E 11
Dry running
Air in the pump
Check water quan-
tity/pressure.
E 21
Overload
Sluggish motor
Contact specialist
technician
E 23
Short-circuit
Motor current too
high
Contact specialist
technician
E 25
Contacting/
winding
Winding defective
Contact specialist
technician
E 30
Module over-
heated
Module interior too
warm
Check operating
conditions in chapter
2.
E 36
Module defec-
tive
Electronic compo-
nents defective
Contact specialist
technician