If the GPD 506/P5 Drive malfunctions, locate the cause and take corrective action by
following the flowcharts given in this section.
A. TROUBLESHOOTING MOTOR SYMPTOMS
Motor Does Not Rotate ................................................................................Chart 6.1
Motor Stalls During Acceleration ..................................................................Chart 6.2
B. TROUBLESHOOTING FOR FAULT CONDITIONS
Overvoltage (ou) Fault Indication.................................................................Chart 6.3
Blown Fuse (PUF) Fault Indication ................................................................Chart 6.4
Overcurrent (oC) Fault Indication.................................................................Chart 6.5
Overload (oL) Fault Indication ......................................................................Chart 6.6
Undervoltage (Uu) Fault Indication...............................................................Chart 6.7
Control Function Error (CPF
) Fault Indication............................................Chart 6.8
External Fault (EF
) Indication ....................................................................Chart 6.9
No Digital Operator Display ..........................................................................Chart 6.10
Oscilloscope chassis may be at voltages potentially hazardous to
life if not properly grounded. If oscilloscope is used to measure
high voltage waveforms, use only a dual channel oscilloscope in the
differential mode with X100 probes. Always connect oscilloscope
chassis to earth ground.
Voltages dangerous to life exist when equipment is open and
energized. Do not work alone.
To prevent equipment damage always remove incoming three-phase
power before test equipment is connected or removed.
If the Drive Control PCB is replaced, ALL Drive CONSTANTS MUST
BE REPROGRAMMED for your application.
6-5
6.3 TROUBLESHOOTING FLOWCHARTS
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