Troubleshooting Flowcharts - Veikong gpd 515/g5 Startup Manual

6.4

TROUBLESHOOTING FLOWCHARTS

If the 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
Motor Does Not Rotate at Set Speed .......................................................... Chart 6.3
Motor Hunting .............................................................................................. Chart 6.4
B. TROUBLESHOOTING FOR FAULT CONDITIONS
oV - Overvoltage ........................................................................................ Chart 6.5
PUF - DC Bus Fuse Open ............................................................................. Chart 6.6
oC - Overcurrent ......................................................................................... Chart 6.7
oL1 - Motor Overload ................................................................................. Chart 6.8
UV - Undervoltage ...................................................................................... Chart 6.9
oH - Heatsink Overtemp ............................................................................. Chart 6.10
CPFXX - Control Function Error ................................................................... Chart 6.11
EFX - External Fault .................................................................................... Chart 6.12
oS - Overspeed ........................................................................................... Chart 6.13
CF - Out of Control ..................................................................................... Chart 6.14
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.
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.
Never disconnect or connect the wiring while the power is applied.
WARNING
WARNING
CAUTION
6-10
Always connect