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IMPULSE®•G+ & VG+ Series 4 Instruction Manual – February 2017
6-3
Troubleshooting the Drive
In this troubleshooting section, “Check,” means investigating whether an item is functioning and in
an acceptable physical condition, and then taking corrective action (adjusting, fixing, replacing, etc.)
as necessary. In the “Corrective Action” column, you may not have to perform all of the steps to
correct the problem.
Maintenance and Inspection
This section describes basic maintenance and inspection procedures for the IMPULSE
®
•G+ and
VG+ Series 4.
Table 6-1: Maintenance and Inspection
Alarms and Faults are described as follows:
•
Fault: Brake is set, operation indicator lights flash, fault is displayed on keypad and fault contact
output terminal MB-MC is activated. The reset key must be pressed, a multi-function digital input
set for fault reset must be enabled, or power must be cycled in order to continue operation.
•
Alarm: Brake does not set, operation continues, alarm is displayed on the keypad, fault contact
output is not activated.
Table 6-2: Motor Related Issues and Corrective Actions
Component
Check
Corrective Action
External terminals,
connectors, mounting screws,
etc.
Loose screws or connectors
Securely tighten.
Heatsink
Build-up of dust and dirt
Blow with dry, compressed air (57-86 psi).
Printed Circuit Board (PCB)
Accumulation of conductive
dust or oil
Blow with dry, compressed air (57-86 psi). If
dust and oil cannot be removed, replace the
board.
Cooling Fan
Abnormal noise and vibration Clean or replace the fan.
Power Components
Accumulation of dust or dirt
Blow with dry, compressed air (57-86 psi).
Symptom
Corrective Action
Analog frequency reference is not stable.
(drifting)
1. Stabilize the analog source.
2. Increase H03-13.
3. Increase B05-01 or B05-02.
No motor rotation.
1. Verify that power is on (Charge LED).
2. Verify that the keypad display is not showing a fault.
3. Verify that the run command is input to the drive (U01-10).
4. Check if motor is stalled due to excessive load.
Motor rotation is in the wrong direction.
1. Verify FWD/REV or UP/DN is correct at the interface card.
2. Match wiring to the phase order of the motor leads T1, T2,
T3.
3. Change motor rotation (B03-04).
Summary of Contents for Impulse G+ series 4
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Page 13: ...C h a p t e r 1 Introduction...
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Page 27: ...C h a p t e r 2 Installation...
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Page 41: ...C h a p t e r 3 Wiring...
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Page 67: ...C h a p t e r 4 Getting Started...
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Page 87: ...C h a p t e r 5 Programming Advanced Features...
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Page 223: ...C h a p t e r 6 Troubleshooting...
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Page 255: ...a p p e n d i x A IMPULSE G VG Series 4 Parameter Listing...
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