Troubleshooting The Drive; Maintenance And Inspection - Magnetek Impulse G+ series 4 Instruction Manual

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
VG+ Series 4.
Component
External terminals,
connectors, mounting screws,
etc.
Heatsink
Printed Circuit Board (PCB)
Cooling Fan
Power Components
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.
Symptom
Analog frequency reference is not stable.
(drifting)
No motor rotation.
Motor rotation is in the wrong direction.
Table 6-1: Maintenance and Inspection
Check
Loose screws or connectors
Build-up of dust and dirt
Accumulation of conductive
dust or oil
Abnormal noise and vibration
Accumulation of dust or dirt
Table 6-2: Motor Related Issues and Corrective Actions
IMPULSE®•G+ & VG+ Series 4 Instruction Manual – February 2017
Corrective Action
Securely tighten.
Blow with dry, compressed air (57-86 psi).
Blow with dry, compressed air (57-86 psi). If
dust and oil cannot be removed, replace the
board.
Clean or replace the fan.
Blow with dry, compressed air (57-86 psi).
Corrective Action
1. Stabilize the analog source.
2. Increase H03-13.
3. Increase B05-01 or B05-02.
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.
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).
®
•G+ and
6-3