Delta Electronics VFD037CH23A-21 [149/638] Troubleshooting

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Chapter 8 Optional Cards

8-27

 Disconnecting CMC- EIP01 from VFD-CH2000

1. Switch off the power supply of VFD-CH2000.

2. Remove the two screws (see Figure 6).

3. Twist opens the card clip and inserts the slot type screwdriver to the hollow to prize the PCB off the

card clip (see Figure 7).

4. Twist opens the other card clip to remove the PCB (see Figure 8).

[Figure 6] [Figure 7]

[Figure 8]

 LED Indicator & Troubleshooting

There are 2 LED indicators on CMC-EIP01. The POWER LED displays the status of power supply,

and the LINK LED displays the connection status of the communication.

LED Indicators

LED Status Indication How to correct it?

On Power supply in normal status --

POWER Green

Off No power supply

Check the power supply.

Network connection in normal

status

Flashes Network in operation

LINK Green

Off Network not connected

Check if the network cable is

connected.

Troubleshooting

Abnormality Cause How to correct it?

AC motor drive not powered

Check if AC motor drive is powered, and if the

power supply is normal.

POWER LED off

CMC-EIP01 not connected to

AC motor drive

Make sure CMC-EIP01 is connected to AC motor

drive.