10.4 Alarms and warnings
Address Name Description
00206 WarningCode Code for E-pump warning.
00205 FaultCode Code for E-pump alarm.
In the WarningCode register, the cause of an E-pump warning can
be read. A warning has no influence on the E-pump operation.
In the FaultCode register, the cause of an E-pump alarm can be
read. An E-pump alarm always leads to a reaction in the E pump
operation. Usually the E-pump is stopped, but some alarms in some
E-pump types have programmable alarm action types.
The complete list of possible alarm and warning codes is shown
below. Not all codes apply to all E-pump types.
Code Alarm/warning description
1 Leakage current
2 Missing phase
3 External fault signal
4 Too many restarts
7 Too many hardware shutdowns
14 Electronic DC-link protection activated (ERP)
16 Other
29 Turbine operation, impellers forced backwards
30 Change bearings (specific service information)
31 Change varistor(s) (specific service information)
32 Overvoltage
40 Undervoltage
41 Undervoltage transient
42 Cut-in fault (dV/dt)
45 Voltage asymmetry
48 Overload
49 Overcurrent (i_line, i_dc, i_mo)
50 Motor protection function, general shutdown (MPF)
51 Blocked motor or pump
54 Motor protection function, 3 sec. limit
55 Motor current protection activated (MCP)
56 Underload
57 Dry-running
60 Low input power
64 Overtemperature
65 Motor temperature 1 (t_m or t_mo or t_mo1)
66 Control electronics temperature high
67 Temperature too high, internal frequency converter module (t_m)
68 Water temperature high
70 Thermal relay 2 in motor, for example thermistor
72 Hardware fault, type 1
73 Hardware shutdown (HSD)
76 Internal communication fault
77 Communication fault, twin-head pump
80 Hardware fault, type 2
83 Verification error, FE parameter area (EEPROM)
84 Memory access error
85 Verification error, BE parameter area (EEPROM)
88 Sensor fault
89 Signal fault, (feedback) sensor 1
91 Signal fault, temperature 1 sensor
93 Signal fault, sensor 2
96 Setpoint signal outside range
105 Electronic rectifier protection activated (ERP)
106 Electronic inverter protection activated (EIP)
148 Motor bearing temperature high (Pt100) in drive end (DE)
Code Alarm/warning description
149 Motor bearing temperature high (Pt100) in non-drive end (NDE)
155 Inrush fault
156 Communication fault, internal frequency converter module
157 Real time clock error
161 Sensor supply fault, 5 V
162 Sensor supply fault, 24 V
163 Measurement fault, motor protection
164 Signal fault, LiqTec sensor
165 Signal fault, analog input 1
166 Signal fault, analog input 2
167 Signal fault, analog input 3
175 Signal fault, temperature 2 sensor
176 Signal fault, temperature 3 sensor
190 Limit exceeded, sensor 1
191 Limit exceeded, sensor 2
215 Soft pressure buildup timeout
240 Lubricate bearings (specific service information)
241 Motor phase failure
242 Automatic motor model recognition failed
31
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