6–7
Chapter 6: Maintenance and Troubleshooting
Warning Messages: Serial Communication and Keypad Errors
There are several Warning Messages that a DURAPULSE AC Drive may give. The
DURA
PULSE AC Drive allows you to decide its response to these messages. The
descriptions of the Warning Messages are listed below.
Warning Messages
Error Name Description
No display shown on the keypad
1. The Keypad LCD display has failed.
2. Check input power
3. Make sure the keypad is tightly connected to the drive.
Invalid Command Code when communicating
Invalid Address when communicating
Invalid Data when communicating
Slave Comm Fault device failure
Communication Time Out
Drive model doesn’t match keypad
When the copy function is enabled (P 9.40), there is a Read/Write
EEPROM Fault
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