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Grundfos CIU 501 User Manual

Grundfos CIU 501
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English (GB)
60
Code Description Code Description Code Description
211 Low pressure 226 Communication fault, I/O module 241 Motor phase failure
212
Diaphragm tank precharge
pressure out of range
227 Combi event 242
Automatic motor model recognition
failed
213 VFD not ready 228 Night flow max. limit exceeded 243
Motor relay has been forced
(manually operated or
commanded)
214 Water shortage, level 2 229 Water on floor 244 Fault, On/Off/Auto switch
215 Soft pressure buildup time-out 230 Network alarm 245 Pump continuous runtime too long
216 Pilot pump alarm 231
Ethernet: No IP address from
DHCP server
246
User-defined relay has been
forced (manually operated or
commanded)
217
Alarm, general-purpose sensor
high
232
Ethernet: Auto-disabled due to
misuse
247
Power-on notice, (device or
system has been switched off)
218 Alarm, general-purpose sensor low 233 Ethernet: IP address conflict 248 Fault, battery/UPS
219 Pressure relief not adequate 234 Backup pump alarm 249 User-defined event 1
220 Fault, motor contactor feedback 235 Gas detected 250 User-defined event 2
221 Fault, mixer contactor feedback 236 Pump 1 fault 251 User-defined event 3
222 Time for service, mixer 237 Pump 2 fault 252 User-defined event 4
223 Time for service, mixer 238 Pump 3 fault 253
SMS data from DDD sensor not
received within time limit
224
Pump fault, due to auxiliary
component or general fault
239 Pump 4 fault 254 Inconsistent data model
225
Communication fault, pump
module
240
Lubricate bearings (specific
service information)

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Grundfos CIU 501 Specifications

General IconGeneral
BrandGrundfos
ModelCIU 501
CategoryController
LanguageEnglish

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