Grundfos CIU 501 User Manual

English (GB)
38
1
For Hydro/Control MPC, this can be automatic (A) or
selectable Automatic/Manual (A/M)
2
For Hydro/Control MPC, this can be none or programmable
(Prog.).
Event action programmable: Stop, Stop with delay, Min.,
UserDef, Max., Pumps in local, Emergency run.
The Hydro Multi-E is always stopped in case of an alarm.
10.8 Alarms from the individual pumps
The alarm code of an actual pump alarm can be read from each
of the pump register blocks. Above, the registers are summarised
for all the possible pumps while the codes that can possibly occur
are described below.
From
device
Pump alarms,
see section
10.8 Alarms from the
individual pumps
-None
Address Name Description
00402 AlarmCode Alarm code from pump 1
00412 AlarmCode Alarm code from pump 2
00422 AlarmCode Alarm code from pump 3
00432 AlarmCode Alarm code from pump 4
00442 AlarmCode Alarm code from pump 5
00452 AlarmCode Alarm code from pump 6
00462 AlarmCode Alarm code from the pilot pump
00472 AlarmCode Alarm code from the backup pump
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 (MPF), general shutdown
51 Blocked motor or pump
54 Motor protection function, 3 sec. limit
55 Motor current protection (MCP) activated
56 Underload
57 Dry-running
60 Low input power
64 Overtemperature
65 Motor temperature 1 (t_m or t_mo or t_mo1)
66 Temperature, control electronics
67
Temperature too high, internal frequency converter
module (t_m)
70 Thermal relay 2 in motor (for example thermistor)
72 Hardware fault, type 1
Code
Alarm/warning
description
Reset type
1
Action type
2
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)
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
240 Lubricate bearings (specific service information)
241 Motor phase failure
242 Automatic motor model recognition failed
Code Alarm/warning description

Grundfos CIU 501 Specifications

General

Brand	Grundfos
Model	CIU 501
Category	Controller
Language	English