User Guide

English
58 WILO SE 06/2011
11.2 Error table
Classifica-
tion
No. Error Cause Remedy Error type
HV AC
- 0 No error
System
errors
E004 Undervoltage Mains overloaded Check electrical installation CA
E005 Overvoltage Mains voltage too high Check electrical installation CA
E006 2-phase operation Missing phase Check electrical installation CA
E007 Warning! Generator
operation
(flow in flow direction)
The flow is driving the
pump impeller; electrical
current is being fed back
to the mains
Check the setting; check sys-
tem for proper operation
Caution! Prolonged operation
can cause damage to the module
FF
E009 Warning! Turbine
operation (flow in flow
direction)
The flow is driving the
pump impeller; electrical
current is being fed back
to the mains
Check the setting; check sys-
tem for proper operation
Caution! Prolonged operation
can cause damage to the
module
FF
Pump error
E010 Blocking Shaft is mechanically
blocked
If the blocking has not been
removed after 10 seconds, the
pump switches off.
Check shaft for ease of move-
ment.
Request customer service
AA
Motor errors
E020 Excess winding tem-
perature
Motor overloaded Allow motor to cool down
Check settings
Check/correct the duty point
BA
Motor ventilation limited Provide unobstructed air
access
Water temperature too
high
Lower water temperature
E021 Motor overload Duty point outside of
duty chart
Check/correct the duty point BA
Deposits in the pump Request customer service
E023 Short circuit/ground
leakage
Motor or module defec-
tive
Request customer service AA
E025 Faulty contact Module has no contact to
motor
Request customer service AA
Winding interrupted Motor defective Request customer service
E026 WSK or PTC inter-
rupted
Motor defective Request customer service BA
Module
errors
E030 Excess module tem-
perature
Limited air supply to
module heat sink
Provide unobstructed air
access
BA
E031 Excess hybrid/power
section temperature
Ambient temperature too
high
Improve room ventilation BA
E032 Intermediate circuit
undervoltage
Voltage fluctuations in
the mains
Check electrical installation FD
E033 Intermediate circuit
overvoltage
Voltage fluctuations in
the mains
Check electrical installation FD
E035 DP/MP: multiple
instances of same
identity
multiple instances of
same identity
Reallocate master and/or slave
(see chap. 9.2 on page 46)
EE