Delta VFD7A5ME21ANNAA - Page 381

Chapter 14 Fault Codes and DescriptionsME300
14-18
ID No. Display on LCM Keypad Fault Name Fault Descriptions
52
Password is locked
(Pcod)
Entering the wrong password three consecutive times
Action and Reset
Action level Entering the wrong password three consecutive times
Action time Immediately act
Fault treatment parameter N/A
Reset method Manual reset
Reset condition Power-off
Record Yes
Cause Corrective Actions
Incorrect password input through
Pr.00-07
1. Input the correct password after rebooting the motor drive.
2. If you forget the password, enter 9999.
3. Press ENTER, and then enter 9999 again.
4. You must finish pressing ENTER within 10 seconds. If not, you must repeat
the entering. After you successfully unlock the password, the parameter
settings return to the default.
ID No. Display on LCM Keypad Fault Name Fault Descriptions
54
Illegal command
(CE1)
Communication command is illegal
Action and Reset
Action level When the function code is not 03, 06, 10, or 63.
Action time Immediately act
Fault treatment parameter N/A
Reset method Manual reset
Reset condition Immediately reset
Record No
Cause Corrective Actions
Incorrect communication
command from the upper unit
Check if the communication command is correct.
Malfunction caused by interference
Verify the wiring and grounding of the communication circuit. It is recommended
to separate the communication circuit from the main circuit, or wire in 90 degree
for effective anti-interference performance.
Different communication setting
from the upper unit
Check if the setting for Pr.09-02 is the same as the setting for the upper unit.
Disconnection or bad connection
of the cable
Check the cable and replace it if necessary.
ID No. Display on LCM Keypad Fault Name Fault Descriptions
55
Illegal data address
(CE2)
Data address is illegal.
Action and Reset
Action level When the data address is correct.
Action time Immediately act
Fault treatment parameter N/A
Reset method Manual reset
Reset condition Immediately reset
Record No
Cause Corrective Actions
Incorrect communication
command from the upper unit
Check if the communication command is correct.
Malfunction caused by interference
Verify the wiring and grounding of the communication circuit. It is recommended
to separate the communication circuit from the main circuit, or wire in 90 degree
for effective anti-interference performance.
Different communication setting
from the upper unit
Check if the setting for Pr.09-02 is the same as the setting for the upper unit.
Disconnection or bad connection
of the cable
Check the cable and replace it if necessary.