Creality LD-002R - Troubleshooting

Troubleshooting
Start ->
Print from storage card -> Y/N
N –> File identified or not -> N -> U-disk -> 1. Wipe U disk.
2. Format U disk.
3. Replace U disk.
Y -> Other files can be printed normally -> Slice -> 1. Move model position and slice again.
2. Use the repair software to repair model.
Y –> Return home N -> Work or not -> N -> Axis motor -> 1. Reconnect circuit.
2. Check by substitution.
Y -> Exceed the home -> Limit switch -> 1. Reconnect circuit.
2. Check by substitution.
Y -> Stick to print screen -> N -> Leveling -> 1. Leveling Operation
Y -> The screen is on -> N -> Wi-Fi connection -> N -> 1. Reconnect circuit.
Y -> 1. Replace screen.
Y -> Z-axis motor -> Motor rotates -> N -> 1. Fasten
coupler
Y -> 1. Reconnect circuit
2. Check by
substitution.
Process result:
1. Problem solved.
2. Component damage, replace continuously.
3.Unknown malfunction, please contact the after-sales.