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11.2
Error table
Classification No.
–
0
System
E004 Undervoltage
errors
E005 Overvoltage
E006 2-phase operation
E007 Dynamic operation
Pump
E010 Blocking
errors
Motor
E020 Excess winding tem-
errors
E021 Motor overload
E023 Short circuit/earth
E025 Faulty contact
E026 WSK or PTC inter-
Module
E030 Excess module tem-
errors
E031 Hybrid/power section
E032 Intermediate circuit
E033 Intermediate circuit
E035 DP/MP: multiple
Communica-
E050 BMS communication
tion errors
E051 Impermissible combi-
E052 DP/MP communica-
98
Error
Cause
No error
Mains overloaded
Mains voltage too high
Missing phase
The flow is driving the
(flow in flow direction)
pump impeller; electrical
current is being fed back
to the mains
Shaft is mechanically
blocked
Motor overloaded
perature
Motor ventilation limited Provide unobstructed air
Water temperature too
high
Duty point outside of
duty chart
Deposits in the pump
Motor or module defec-
leakage
tive
Module has no contact to
motor
Winding interrupted
Motor defective
Motor defective
rupted
Limited air supply to
perature
module heat sink
Ambient temperature too
excess temperature
high
Voltage fluctuations in
undervoltage
the mains
Voltage fluctuations in
overvoltage
the mains
multiple instances of
instances of same
same identity
identity
Bus communication
time-out
interrupted or timed out
Cable break
Different pumps
nation DP/MP
Cable MP communication
tions time-out
defective
Remedy
Check electrical installation
Check electrical installation
Check electrical installation
Check the setting, check sys-
tem for proper operation
CAUTION! Prolonged opera-
tion can cause damage to the
module
If the blocking has not been
removed after 10 s, the pump
switches off;
Check shaft for ease of move-
ment
Ask After-Sales.
Allow motor to cool down
Check settings
Check/correct the duty point
access
Lower water temperature
Check/correct the duty point
Ask After-Sales.
Ask After-Sales.
Ask After-Sales.
Ask After-Sales.
Ask After-Sales.
Provide unobstructed air
access
Improve room ventilation
Check electrical installation
Check electrical installation
Reallocate master and/or slave
(see Section 9.2 on page 90)
Check cable connection to
building automation
Ask After-Sales.
Check cable and cable connec-
tions
Error type
HV
AC
C
A
C
A
C
A
F
F
A
A
B
A
B
A
A
A
A
A
B
A
B
A
B
A
F
D
F
D
E
E
F
F
F
F
E
E
WILO SE 11/2013
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