Delta DCS

47
6. DESCRIPTIONS FOR TROUBLESHOOTING
E?018 Detector output abnormal
Cause
1. Encoder error
2. The output pulse exceeds a permissible range for the hardware.
Check and Correction
Return it to the dealer or original manufacturer for repairing.
Solution
Reset alarm
E?019 Serial communication abnormal between controller and drive
Cause
1. Improper settings for communication parameters
2. Incorrect communication address
3. Incorrect communication value
Check and Correction
1. Reset to the factory setting
2. Or return it to the dealer or original manufacturer for repairing.
Solution
Reset alarm
E?020 Overtime in serial communication between controller and drive
Cause
The drive has not received communication command for a long time.
Check and Correction
Check whether the communication cable is loose or broken to ensure correct
wiring.
Solution
Reset alarm
E?022 Power abnormal on the main loop
Cause
Power abnormal on the main loop
Check and Correction
1. Whether RS power cable is loose or non-conductive.
2. Connect the power correctly. If power supply is normal but alarm remains,
return the drive to the dealer or manufacturer for repairing.
Solution
Reset alarm
E?023 Advanced overload warning
Cause
Advanced overload warning
Check and Correction
1. Whether the use of overloading. Please refer to the Corrective Action for
E?006
Solution
Reset alarm
E?024 Error in Initial magnetic field for the internal encoder
Cause
Error in initial magnetic field for the encoder
(error in the magnetic field positions U, V and W)
Check and Correction
Return it to the dealer or original manufacturer for repairing.
Solution
Reconnect power and clear alarm.