Delta ME300 Series - Page 420

Chapter 14 Fault Codes and Descriptions
ME300
14-25
No. Display on LED Keypad Fault Name Fault Descriptions
28
Under current
(uC)
Low current detection
Action and Reset
Action condition Pr.06-71
Action time Pr.06-72
Fault treatment parameter
Pr.06-73
0: No function
1: Fault and coast to stop
2: Fault and ramp to stop by the second deceleration time
3: Warn and continue operation
Reset method
Auto
When Pr.06-73 = 3, uC is a “Warning”. The warning is automatically
cleared when the output current > (Pr.06-71 + 0.1 A).
Manual When Pr.06-73 = 1 or 2, uC is a “Fault”. You must reset manually.
Reset condition Immediately reset
Record When Pr.06-73 = 1 or 2, uC is a “Fault”, and the fault is recorded.
Cause Corrective Actions
Motor cable disconnection Troubleshoot the connection between the motor and the load.
Improper setting of low-current
protection
Reset Pr.06-71, Pr.06-72 and Pr.06-73 to proper settings.
The load is too low.
Check the load status.
Check if the motor capacity matches the load.
No. Display on LED Keypad Fault Name Fault Descriptions
31
EEPROM read error
(cF2)
Internal EEPROM cannot be read.
Action and Reset
Action condition Firmware internal detection
Action time cF2 acts immediately when the drive detects the fault.
Fault treatment parameter N/A
Reset method Manual reset
Reset condition Immediately reset
Record Yes
Cause Corrective Actions
Internal EEPROM cannot be read.
Press RESET key. If cF2 error still displays on the keypad, return to the factory
for repair.
Reset the parameter to the default setting. If cF2 error still displays on the
keypad, return to the factory for repair.
Cycle the power. If cF2 error still exists, return to the factory for repair.