English
11.2
Error table
Classifica-
tion
-
System
errors
Pump error
Motor errors E020
Module
errors
58
No.
Error
0
No error
E004
Undervoltage
E005
Overvoltage
E006
2-phase operation
E007
Warning! Generator
operation
(flow in flow direction)
E009
Warning! Turbine
operation (flow in flow
direction)
E010
Blocking
Excess winding tem-
perature
E021
Motor overload
E023
Short circuit/ground
leakage
E025
Faulty contact
Winding interrupted
E026
WSK or PTC inter-
rupted
E030
Excess module tem-
perature
E031
Excess hybrid/power
section temperature
E032
Intermediate circuit
undervoltage
E033
Intermediate circuit
overvoltage
E035
DP/MP: multiple
instances of same
identity
Cause
Remedy
Mains overloaded
Check electrical installation
Mains voltage too high
Check electrical installation
Missing phase
Check electrical installation
The flow is driving the
Check the setting; check sys-
pump impeller; electrical
tem for proper operation
Caution! Prolonged operation
current is being fed back
to the mains
can cause damage to the module
The flow is driving the
Check the setting; check sys-
pump impeller; electrical
tem for proper operation
current is being fed back
Caution! Prolonged operation
to the mains
can cause damage to the
module
Shaft is mechanically
If the blocking has not been
blocked
removed after 10 seconds, the
pump switches off.
Check shaft for ease of move-
ment.
Request customer service
Motor overloaded
Allow motor to cool down
Check settings
Check/correct the duty point
Motor ventilation limited Provide unobstructed air
access
Water temperature too
Lower water temperature
high
Duty point outside of
Check/correct the duty point
duty chart
Deposits in the pump
Request customer service
Motor or module defec-
Request customer service
tive
Module has no contact to
Request customer service
motor
Motor defective
Request customer service
Motor defective
Request customer service
Limited air supply to
Provide unobstructed air
module heat sink
access
Ambient temperature too
Improve room ventilation
high
Voltage fluctuations in
Check electrical installation
the mains
Voltage fluctuations in
Check electrical installation
the mains
multiple instances of
Reallocate master and/or slave
same identity
(see chap. 9.2 on page 46)
Error type
HV
AC
C
A
C
A
C
A
F
F
F
F
A
A
B
A
B
A
A
A
A
A
B
A
B
A
B
A
F
D
F
D
E
E
WILO SE 01/2014