Delta VFD150VL43C-J User Manual

Chapter 6. Suggestions and Error Corrections for Hybrid Servo DrivesC | VFD-VJ
6-10
Check
Items
Methods and Criterion Troubleshooting
Visual
check on
the overall
appearance
 Any accumulation of dirt and
dust?
1. Shut down the servo drive, wait for a certain time.
Make sure that the power indicator is off before you
go to the next step. (≤ 22kW: wait for 5 min after
shut down; ≥ 30kW: wait for 10 min after shut
down)
2. Turn on a vacuum cleaner to remove the dust.
Ventilation
Channel
 Any obstruction in the heat
sink, air intake or air outlet?
 Any accumulation of dust on
the cooling fan?
 Is the cooling fan damaged?
1. Shut down the servo drive, wait for a certain time.
Make sure that the power indicator is off before you
go to the next step. (≤ 22kW: wait for 5 min after
shut down; ≥ 30kW: wait for 10 min after shut
down)
2. Follow the instruction in this manual to remove and
clean the cooling fan.
3. Turn on a vacuum cleaner to clean the dust in the
heat sink.。
 If the cooling fan doesn’t run at all, replace it with a
new one.
 Clean the ventilation channel periodically to avoid
accumulation of dirt and dust.
 Install and Remove Cooling Fans
Frame-C & Frame-D
 Use a philillips-head screw driver to loose the two screws
on the two sides of the cooling fan.
 Press the latch to disconnect the fan power. Pay attention
to the direction of the latch during installation. Then
remove the fan cover.
 Press the 4 latches on the fan cover,
then you can remove the fan. Note
that you don’t need to pull up
completely the latches to remove the
fans. Just press gently.

Press the 4 latches
Remove the fans
 Have the labels on the cooling fans facing outside of the servo drive when installing the cooling
fans. Screw torque force: 10~12kgf-cm(8.7~10.4lb-in)

Delta VFD150VL43C-J Specifications

General

Brand	Delta
Model	VFD150VL43C-J
Category	Servo Drives
Language	English