6. FAULT FINDING AND RECOGNITION
Kinds of
Breakdown
Symptoms
Possible
Causes
Remedies
Power-off
Consult power company
Switch-off
Switch-on
No fuse
Install fuse
Broken wiring
Check wiring and repair
Broken lead
Check wiring and repair
Motionless and
soundless
Broken windings
Check windings and repair
Short circuit of circuit switches
Check circuit switches and replace
Incorrect wiring
Check wiring according to
nameplate
Poor contact at terminal
Lock tightly
Windings grounded
Factory repair
Broken windings
Factory repair
Poor contact of circuit switches
Check and repair
Broken wiring
Check and repair
Poor contact of starting switches
Check and repair
Short circuit of starting switches
Check and repair
Fail to start
without load
Fuse blowing.
(Automatic
switch trips off,
slow start with
electromagnetic
noise)
Incorrect connections of starting
switches
Connect according to nameplate
Insufficient capacity of fuse
Replace fuse if wiring permits
Overload
Lighten load
Fuse blowing.
Fail to restart due
to trip-off of
automatic switch
High load at low voltage
Check circuit capacity and reduce
load
Overload or intermittent
overload
Lighten load
Under-voltage
Check circuit capacity and power
source
Over-voltage
Check power source
Ventilation duct clogged
Remove the foreign matter in the
duct
Ambient temperature exceeds
40°C
Correct insulation class to B or F, or
lower ambient temperature
Friction between rotor and stator
Factory repair
Fuse blown (Single-phase
rotating)
Install the specified fuse
Poor contact of circuit switches
Check and repair
Poor contact of circuit starting
switches
Check and repair
Loading after
start
Overheating motor
Unbalance three-phase voltage
Check circuit or consult power
company
31
Summary of Contents for VG3B3-B
Page 14: ...GENERAL INFORMATION...
Page 17: ...EQUIPMENT SAFETY DOCUMENTS and PRECAUTIONS...
Page 30: ...U L MOTOR REQUIREMENTS...
Page 31: ......
Page 35: ...PROTECTIVE COATINGS...
Page 37: ...PAINT TECHNICAL DATA SHEETS...
Page 43: ...PASSIVATION DOCUMENTS...
Page 47: ...STORAGE PROCEDURES...
Page 51: ...INSTRUMENTATION...
Page 56: ...VALVES...
Page 58: ...PUMPS...
Page 61: ...MATERIAL SAFETY DATA SHEETS...
Page 65: ......
Page 66: ...PAINT COATING MSDS...
Page 73: ...ADHESIVE ANCHORS MSDS...
Page 74: ...SIMPSON...
Page 95: ......
Page 96: ......
Page 97: ......
Page 98: ......
Page 99: ......
Page 100: ...INSTALLATION AND START UP...
Page 103: ...START UP PAPERS...
Page 125: ...PROCESS AND CONTROL...
Page 181: ...MECHANICAL AND FIELD INSTRUMENT COMPONENT INFORMATION...
Page 182: ...ACTUATOR...
Page 183: ...CORD SET...
Page 185: ...AUMA...
Page 186: ...115V 1ph 60Hz...
Page 190: ...ANCHORS...
Page 191: ...ADHESIVE ANCHOR See Drawing Section 7 for Details...
Page 192: ...MANUAL GUN...
Page 194: ...REFILL PACK...
Page 197: ...MIXING NOZZLE...
Page 199: ...INSTRUMENTATION...
Page 200: ...CONTROLLER...
Page 201: ...THERMO FISHER...
Page 203: ...pH PROBE...
Page 206: ...FLOW METER...
Page 211: ...PRESSURE TRANSMITTER...
Page 213: ...PUMP...
Page 214: ...MEMBRANE FEED PUMP...
Page 217: ...Pump Part 2616713 Gorman Rupp VG3B3 B Centrifugal 2013 12 09 2616713 Pump doc 3 of 3...
Page 220: ...BACKWASH PUMP...
Page 223: ...Pump Part 2616695 Gorman Rupp VG3C3 B Centrifugal 2013 12 09 2616695 Pump doc 3 of 3...
Page 227: ...BUTTERFLY VALVE...
Page 228: ...MANUAL LEVER BUTTERFLY VALVE...
Page 238: ...ELECTRIC BUTTERFLY VALVE...
Page 241: ...SWING CHECK VALVE...
Page 243: ...SOLENOID VALVE...
Page 245: ...MEMBRANE MODULE ACCESSORIES...
Page 254: ...AIR COMPRESSOR ACCESSORIES...
Page 258: ...ELECTRICAL CONTROL PANEL COMPONENT INFORMATION...
Page 265: ...CABLE CONDUIT WIRE...
Page 271: ...CIRCUIT BREAKER...
Page 281: ...COMPUTER and MONITOR...
Page 289: ...ENCLOSURE...
Page 296: ...ENCLOSURE ACCESSORIES...
Page 307: ...ENVIRONMENTAL CONTROL ENCLOSURE...
Page 314: ...FUSE...
Page 329: ...FUSE BLOCK...
Page 336: ...HMI HUMAN MACHINE INTERFACE...
Page 343: ...MAIN DISCONNECT...
Page 350: ...MAIN DISCONNECT ACCESSORIES...
Page 354: ...MOTOR CONTROL...
Page 368: ...NETWORK...
Page 379: ...PILOT DEVICE...
Page 392: ...PLC PROGRAMMABLE LOGIC CONTROL...
Page 420: ...PRINTERS...
Page 424: ...POWER SUPPLY...
Page 426: ...Power Supply Part 2751312 Allen Bradley 2008 02 28 2751312 AB Power Supply doc 2 of 5...
Page 427: ...Power Supply Part 2751312 Allen Bradley 2008 02 28 2751312 AB Power Supply doc 3 of 5...
Page 428: ...Power Supply Part 2751312 Allen Bradley 2008 02 28 2751312 AB Power Supply doc 4 of 5...
Page 429: ...Power Supply Part 2751312 Allen Bradley 2008 02 28 2751312 AB Power Supply doc 5 of 5...
Page 434: ...RELAY CONTROL...
Page 440: ...SURGE SUPPRESSOR TRANSIENT FILTER...
Page 447: ...TERMINAL BLOCK ACCESSORIES...
Page 471: ...TIMERS...
Page 477: ...TRANSFORMER ACCESSORIES...
Page 482: ...UPS UNINTERRUPTIBLE POWER SUPPLY...
Page 489: ...MAINTENANCE AND TROUBLESHOOTING...
Page 498: ...COMPONENT PRODUCTS EQUIPMENT O M INSTRUCTION MANUALS...
Page 499: ...ACTUATOR...
Page 500: ...ELECTRIC...
Page 534: ...ADHESIVE ANCHOR O M...
Page 535: ......
Page 537: ...INSTRUMENTATION O M...
Page 538: ...FLOW METER...
Page 684: ...5 NOTES 30 IFC 100 www krohne com 07 2010 4000124104 QS IFC 100 R04 en...
Page 685: ...NOTES 5 31 IFC 100 www krohne com 07 2010 4000124104 QS IFC 100 R04 en...
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Page 723: ...TURBIDITY MONITORING O M...
Page 734: ...10 Installation Figure 4 1720E Dimensions...
Page 738: ...14 System Startup...
Page 746: ...22 Operation...
Page 754: ...30 Troubleshooting...
Page 760: ...36 Modbus Register Information...
Page 762: ...38 Index...
Page 763: ...DOC023 53 80221 FT660 sc 01 2012 Edition 2 User Manual...
Page 764: ......
Page 782: ...1 2 18 English...
Page 783: ...3 4 English 19...
Page 790: ...26 English...
Page 791: ......
Page 793: ...CONTROLLER...
Page 794: ...Thermo Scientific AquaSensors AV38 Local Display and Controller User Guide...
Page 873: ......
Page 875: ...pH PROBE...
Page 880: ...PRESSURE TRANSMITTER...
Page 881: ......
Page 900: ...A 9 Keller America Inc User s Guide Rev 10 11...
Page 901: ...A 10 Keller America Inc User s Guide Rev 10 11...
Page 904: ...MEMBRANE MODULE...
Page 905: ...inge GmbH Installation Operation and Maintenance Guidelines inge T Rack vario...
Page 934: ......
Page 935: ...Appendix B Process Specification inge UF...
Page 957: ...PUMPS...
Page 958: ...GORMAN RUPP PUMP...
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Page 1056: ...VALVES...
Page 1057: ...NIBCO VALVE...
Page 1058: ...WAFER BUTTERFLY VALVE...
Page 1068: ...MILLIKEN VALVE...
Page 1069: ...MILLIKEN BUTTERFLY VALVE...
Page 1070: ......
Page 1077: ...MECHANICAL DRAWINGS...
Page 1110: ...ELECTRICAL DRAWINGS...
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