Grundfos CIU 300, Функциональный профиль и руководство пользователя

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11. Grundfos alarm and warning codes
This is a general Grundfos alarm and warning code list.
Code Description Code Description Code Description
1 Leakage current 35
Gas in pump head, deaerating
problem
76 Internal communication fault
2 Missing phase 36 Discharge valve leakage 77
Communication fault, twin-head
pump
3 External fault signal 37 Suction valve leakage 78 Fault, speed plug
4 Too many restarts 38 Vent valve defective 79 Functional fault, add-on module
5 Regenerative braking 40 Undervoltage 80 Hardware fault, type 2
6 Mains fault 41 Undervoltage transient 81 Verification error, data area (RAM)
7 Too many hardware shutdowns 42 Cut-in fault (dV/dt) 82
Verification error, code area (ROM,
FLASH)
8 PWM switching frequency reduced 45 Voltage asymmetry 83
Verification error, FE parameter
area (EEPROM)
9 Phase sequence reversal 48 Overload 84 Memory access error
10 Communication fault, pump 49 Overcurrent (i_line, i_dc, i_mo) 85
Verification error, BE parameter
area (EEPROM)
11 Water-in-oil fault (motor oil) 50
Motor protection function,
general shutdown (mpf)
88 Sensor fault
12
Time for service
(general service information)
51 Blocked motor/pump 89 Signal fault, (feedback) sensor 1
13 Moisture alarm, analog 52 Motor slip high 90 Signal fault, speed sensor
14
Electronic DC-link protection
activated (ERP)
53 Kipped motor 91 Signal fault, temperature 1 sensor
15
Communication fault, main system
(SCADA)
54
Motor protection function,
3 sec. limit
92 Calibration fault, (feedback) sensor
16 Other 55
Motor current protection activated
(MCP)
93 Signal fault, sensor 2
17
Performance requirement cannot
be met
56 Underload 94 Limit exceeded, sensor 1
18 Commanded alarm standby (trip) 57 Dry running 95 Limit exceeded, sensor 2
19 Diaphragm break (dosing pump) 58 Low flow 96 Setpoint signal outside range
20 Insulation resistance low 59 No flow 97 Signal fault, setpoint input
21 Too many starts per hour 64 Overtemperature 98
Signal fault, input for setpoint
influence
22 Moisture switch alarm, digital 65
Motor temperature 1
(t_m or t_mo or t_mo1)
99
Signal fault, input for analog
setpoint
23 Smart trim gap alarm 66
Temperature, control electronics
(t_e)
104 Software shutdown
24 Vibration 67
Temperature too high, internal
frequency converter module (t_m)
105
Electronic rectifier protection
activated (ERP)
25 Setup conflict 68
External temperature/
water temperature (t_w)
106
Electronic inverter protection
activated (EIP)
26
Load continues even if the motor
has been switched off
69
Thermal relay 1 in motor
(e.g. Klixon)
110 Skew load, electrical asymmetry
27
External motor protector activated
(e.g. MP 204)
70
Thermal relay 2 in motor
(e.g. thermistor)
111 Current asymmetry
28 Battery low 71
Motor temperature 2
(Pt100, t_mo2)
112 Cos φ too high
29
Turbine operation (impellers forced
backwards)
72 Hardware fault, type 1 113 Cos φ too low
30
Change bearings
(specific service information)
73 Hardware shutdown (HSD) 120
Auxiliary winding fault
(single-phase motors)
31
Change varistor(s) (specific service
information)
74 Internal supply voltage too high 121
Auxiliary winding current too high
(single-phase motors)
32 Overvoltage 75 Internal supply voltage too low 122
Auxiliary winding current too low
(single-phase motors)