SEL1 PID over speed error
Error code
- 000422
Occurrence condition
- Valve selection motor rotated faster than expected.
Assumed cause
- The valve selection motor was driven at a high speed relative to the motor speed control.
Related parts
- Gear trains of the valve selection motor are damaged (unloaded condition)
- Valve Selection Motor
Troubleshooting
| Step | Confirmation and action | YES | NO |
|---|---|---|---|
| 1 | Check harness connection Is the harness connecting to the Selector Unit properly connected? |
Go to step 2 | Reconnect the harness |
| 2 | Parts replacement Replace the Selector Unit. Is the trouble phenomenon still occurring? |
Contact EPSON Local Service Representatives |
End |