TROUBLESHOOTING
26
ELECTRONIC SPEED CONTROL ACTION CODES
CODE CODE CONDITION
SOLUTION
LED INV
RIKON Technical Support 1-877-884-5167 or [email protected]
E04 OC Over current
1. Power off and wait 5 minutes before restarting
2. Check the load on the motor
3. Check if Index Pin or turnings are preventing spindle rotation
4. If you can not return to normal contact Customer Service
E06 OE Over voltage
1. Check if the voltage of the power source is valid
2. Power off and wait 1 minute before restarting. If you can not
return to normal contact Customer Service
E0b OL1
VFD Drive overload
1. Check the load on the motor
2. Check if Index Pin or turnings are preventing spindle rotation
E0d LF Lead fault
1. Check if the motor wires are firmly connected
2. Check if the inverter is connected to the motor
E23 LE Low voltage
1. Check if the voltage of power source is valid
2. Check and confirm all wires and plugs are firmly connected
E09 OH
VFD Drive overheating
1. Improve the system ventilation. Clean dust & debris from the
machine and inside of the Inverter box
2. Rest lathe for 30 minutes and turn on main power switch only to
run the inverter’s cooling fan
3. If you can not return to normal contact Customer Service
E08 GF
Ground Fault
1. Power off and wait 1 minute before restarting
2. Check and confirm all wires and plugs are firmly connected
3. Check the load on the motor
4. Check if Index Pin or turnings are preventing spindle rotation
5. If you can not return to normal contact Customer Service
E0A OL Motor overload
1. Check the load of motor
2. Check if Index Pin or turnings are preventing spindle rotation
E0E dbuP Dynamic brake
1. Power off and wait 2 minutes before restarting.
2. If you can not return to normal contact Customer Service
E21 PrEr Flash program
1. Power off and wait 2 minutes before restarting.
2. If you can not return to normal contact Customer Service
E22 EER Flash error
1. Power off and wait 2 minutes before restarting.
2. If you can not return to normal contact Customer Service
E25 ESP Emergency stop
1. The emergency switch is loose or disconnected
2. The display to the inverter connection line is loose