Wilo DD-I, Installation And Operating Instructions Manual

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en Faults, causes and remedies
160 WILO SE 2020-12
Code Type Fault Cause Remedy
500
D Pipe Sedimentation High Blockage in the piping. After detec-
tion, a flushing cycle is started at
maximum frequency for the next
pump cycles.
If the permissible ratio (Admissible
Flow Ratio for Sedimentation) is ex-
ceeded, flushing is terminated.
Check piping, remove blockages.
Check "High Efficiency(HE) Controller" settings.
501
D Comm. Error I/O Exten-
sion Communication with I/O module
failed. Check network connection.
Check I/O module.
Check settings for the I/O module in the Master
settings.
900
I More than 4 Pumps in
System Maximum number of pumps in the
system exceeded. Integrate a maximum of 4 pumps into the system.
901
I Pump removed from
System (SERIAL NUM-
BER) Pump has been removed from the
system. Check network connection.
902
I Pipe Measurement In-
complete Calculation of piping parameters
was not successfully executed. Check settings under High Efficiency(HE) Control-
ler/Pipe Settings and recalculate.
If the message is still displayed, contact customer
service.
903
I Pipe Calculation Timeout Calculation of piping parameters
was aborted due to a timeout.
Check settings under High Efficiency(HE) Control-
ler/Pipe Settings and recalculate.
If the message is still displayed, contact customer
service.
904
I Pipe Settings / Calcula-
tion Missing Calculation of piping parameters has
not yet been carried out. HE con-
troller cannot be activated. Input settings under High Efficiency(HE) Controller/
Pipe Settings and start calculation.
1000
A Motor Safe Stop Alarm "Safe Torque Off" active. Check connection: 24 VDC must apply at terminal
37 of the frequency converter. A manual reset is re-
quired once the fault has been eliminated!
Installation in potentially explosive atmospheres:
Check switch-off parameters (thermal motor mon-
itoring, dry-running protection).
1001
A Motor Ground Fault
Alarm Short circuit to earth between an
output phase and earth (between
frequency converter and motor or
directly in the motor) Have the electrical connection at the frequency
converter checked by a qualified electrician.
Have the electrical connection at the motor
checked by a qualified electrician.
1002
A Motor Short Circuit
Alarm Short circuit in motor or at motor
connection Have the electrical connection at the motor
checked by a qualified electrician.
2000
B Motor Vibration X - Trip Vibration limit value exceeded. Check pump and installation (e.g. not running
smoothly, poor duty point, distorted installation).
Check vibration limit values in the Digital Data In-
terface and correct if necessary.
2001
B Motor Vibration Y - Trip Vibration limit value exceeded. Check pump and installation (e.g. not running
smoothly, poor duty point, distorted installation).
Check vibration limit values in the Digital Data In-
terface and correct if necessary.
2002
B Motor Vibration Z - Trip Vibration limit value exceeded. Check pump and installation (e.g. not running
smoothly, poor duty point, distorted installation).
Check vibration limit values in the Digital Data In-
terface and correct if necessary.
2003
B Vibration Input 1 - Trip Vibration limit value exceeded. Check pump and installation (e.g. not running
smoothly, poor duty point, distorted installation).
Check vibration limit values in the Digital Data In-
terface and correct if necessary.