Wilo DD-I, Installation And Operating Instructions Manual

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Faults, causes and remedies en
Installation and operating instructions Wilo DD-I 159
8.1 Error types
The Digital Data Interface distinguishes between five different prioritisations for alarm
and warning messages:
ƒ
Alert Type A
ƒ
Alert Type B
ƒ
Warning Type C
ƒ
Warning Type D
ƒ
Message Type I
NOTICE! The functionality of the alarms and warnings depends on the system mode!
8.1.1 Error types: DDI and LPI system
mode
Functionality of the various alarm and warning messages:
ƒ
Alert Type A: The pump is switched off in the event of a fault. Reset the alarm signal
manually :
–
"Reset Error" on the home page
–
Function "Reset" at a digital input of the frequency converter or I/O module
–
Corresponding signal via fieldbus
ƒ
Alert Type B: The pump is switched off in the event of a fault. When the fault is cor-
rected, the alarm signal is automatically reset.
ƒ
Warning Type C: These warnings can switch a relay output of the frequency con-
verter
or the I/O module.
ƒ
Warning Type D: These warnings are only displayed and logged.
ƒ
Message Type I: Information about operating status.
8.1.2 Error types: LSI system mode
Functionality of the various alarm and warning messages:
ƒ
Alert Type A: In the event of a fault, the pump is not switched off. Reset the alarm
signal manually :
–
"Master Reset" on the Master home page
–
Function "Reset" at a digital input of the I/O modules
–
Corresponding signal via fieldbus
ƒ
Alert Type B: In the event of a fault, the pump is not switched off. When the fault is
corrected, the alarm signal is automatically reset.
NOTICE! The dry-running protection always switches off the pump!
ƒ
Warning Type C: These warnings can switch a relay output of the I/O module .
ƒ
Warning Type D: These warnings are only displayed and logged.
ƒ
Message Type I: Information about operating status.
8.2 Error codes
Code Type Fault Cause Remedy
100.x
A Pump Unit Offline
(SERIAL NUMBER) The connection to the specified
pump cannot be established. Check network connection.
Check network settings.
101
A Master Changed (SERIAL
NUMBER) The Master pump was changed due
to the predefined change strategy
or a communication error. Check change strategy in the Master settings.
Check network connection.
200
B Alarm in Pump (SERIAL
NUMBER) Alarm at the specified pump. Check the error log of the specified pump.
201
B Dry Run Dry-running level reached Check the operating parameters of the system.
Check level settings.
Check the settings of the digital inputs.
202
B High Water High water level reached Check the operating parameters of the system.
Check level settings.
Check the settings of the digital inputs.
203
B Sensor Error Measured value is outside the
measurement range, sensor defect-
ive. Contact customer service.
400
C Warning in Pump
(SERIAL NUMBER) Warning for the specified pump. Check the error log of the specified pump.