Grundfos CIU 501 User Manual

Code Description Code Description Code Description
121
Auxiliary winding current too high (single-
phase motors)
122
Auxiliary winding current too low (single-
phase motors)
123
Start capacitor, low
(single-phase motors)
124 Run capacitor, low (single-phase motors) 125 Signal fault, outdoor temperature sensor 126 Signal fault, air temperature sensor
127
Signal fault, shunt relative pressure
sensor
128 Strainer clogged 129 -
130 - 131 - 132 -
133 - 134 - 135 -
136 - 137 - 138 -
139 - 140 - 141 -
142 - 143 - 144
Motor temperature 3
(Pt100, t_mo3)
145
Bearing temperature high (Pt100), in
general or top bearing
146
Bearing temperature high (Pt100), middle
bearing
147
Bearing temperature high (Pt100), bottom
bearing
148
Motor bearing temperature high (Pt100)
in drive end (DE)
149
Motor bearing temperature high (Pt100)
in non-drive end (NDE)
150 Fault (add-on) pump module
151 Fault, display (HMI) 152 Communication fault, add-on module 153 Fault, analog output
154 Communication fault, display 155 Inrush fault 156
Communication fault, internal frequency
converter module
157 Real-time clock out of order 158 Hardware circuit measurement fault 159
CIM fault (Communication Interface
Module)
160 Cellular modem, SIM card fault 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 3 168 Signal fault, pressure sensor
169 Signal fault, flow sensor 170 Signal fault, water-in-oil (WIO) sensor 171 Signal fault, moisture sensor
172 Signal fault, atmospheric pressure sensor 173
Signal fault, rotor position sensor (Hall
sensor)
174 Signal fault, rotor origo sensor
175
Signal fault, temperature sensor 2
(t_mo2)
176
Signal fault, temperature sensor 3
(t_mo3)
177 Signal fault, Smart trim gap sensor
178 Signal fault, vibration sensor 179
Signal fault, bearing temperature sensor
(Pt100), general or top bearing
180
Signal fault, bearing temperature sensor
(Pt100), middle bearing
181
Signal fault, PTC sensor
(short-circuited)
182
Signal fault, bearing temperature sensor
(Pt100), bottom bearing
183 Signal fault, extra temperature sensor
184 Signal fault, general-purpose sensor 185 Unknown sensor type 186 Signal fault, power meter sensor
187 Signal fault, energy meter 188 Signal fault, user-defined sensor 189 Signal fault, level sensor
190
Limit exceeded, sensor 1
(for example alarm level in WW
application)
191
Limit exceeded, sensor 2
(for example high level in WW
application)
192
Limit exceeded, sensor 3
(for example overflow level in WW
application)
193
Limit exceeded, sensor 4
(for example low level in WW/tank filling
application)
194 Limit exceeded, sensor 5 195 Limit exceeded, sensor 6
196 Operation with reduced efficiency 197 Operation with reduced pressure 198
Operation with increased power
consumption
199
Process out of range (monitoring,
estimation, calculation, control)
200 Application alarm 201 External sensor input high
202 External sensor input low 203 Alarm on all pumps 204 Inconsistency between sensors
205 Level float switch sequence inconsistency 206 Water shortage, level 1 207 Water leakage
208 Cavitation 209 Non-return valve fault 210 High pressure
211 Low pressure 212
Diaphragm tank precharge pressure out
of range
213 VFD not ready
214 Water shortage, level 2 215 Soft pressure buildup time-out 216 Pilot pump alarm
217 Alarm, general-purpose sensor high 218 Alarm, general-purpose sensor low 219 Pressure relief not adequate
220 Fault, motor contactor feedback 221 Fault, mixer contactor feedback 222 Time for service, mixer
223 Time for service, mixer 224
Pump fault, due to auxiliary component or
general fault
225 Communication fault, pump module
226 Communication fault, I/O module 227 Combi event 228 Night flow max. limit exceeded
229 Water on floor 230 Network alarm 231
Ethernet: No IP address from DHCP
server
232 Ethernet: Auto-disabled due to misuse 233 Ethernet: IP address conflict 234 Backup pump alarm
235 Gas detected 236 Pump 1 fault 237 Pump 2 fault
238 Pump 3 fault 239 Pump 4 fault 240
Lubricate bearings
(specific service information)
241 Motor phase failure 242 Automatic motor model recognition failed 243
Motor relay has been forced
(manually operated or commanded)
51
English (GB)

Grundfos CIU 501 Specifications

General

Brand	Grundfos
Model	CIU 501
Category	Controller
Language	English