Epson SC-S30600 Error Code 1138: CR Motor overcurrent error
| Error Code | Error Name | Cause | Check Item | Remedy |
| 1138 | CR Motor overcurrent error | 1. Connection failure of the CR Motor or the CR Encoder. 2. The number of occurrences of overcurrent to the CR Motor has reached a predetermined limit. – Irregular load – CR Encoder failure – CR Motor failure |
1. Is there any problems such as damaged cable in the connections below? – CR Encoder to SUB Board (CN102) – CR Motor to SUB-M Board (CN1) 2. Does the CR Encoder work properly? Check it using the Service Program. |
1. Replace the CR Encoder.
2. Replace the CR Motor. |
How To Replace the CR Encoder.
When replacing/removing this part, refer to “Adjustment Items and the Order by Repaired Part” and make sure to perform the specified operations including required adjustment.
1. Unlock the CR Unit.
2. Remove the Wiper Cleaner.
3. Remove the Media Loading Lever.
4. Remove the Right Upper Cover.
5. Remove the Left Rear Cover.
6. Remove the Left Upper Cover.
7. Remove the Left Cover.
8. Remove the Right Cover.
9. Remove the APG Unit.
10. Remove the CR Motor.
11. Remove the CR Cover.
12. Remove the Damper Kit.
13. Remove the Print Head.
14. Remove the CR Scale.
15. Remove the CR Unit.
16. Remove the two screws, and remove the CR Encoder and Encoder Cover.
A) Silver M2.5×8 P-tite screw: 2 pcs
17. Disconnect the FFC from the CR Encoder.
When installing the CR Encoder, screw it together with the Encoder Cover.
How To Replace the CR Motor
When replacing/removing this part, refer to “Adjustment Items and the Order by Repaired Part” and make sure to perform the specified operations including required adjustment.
1. Unlock the CR Unit. (p82)
2. Remove the Media Loading Lever. (p158)
3. Remove the Right Upper Cover. (p88)
4. Remove the Left Rear Cover. (p94)
5. Remove the Left Upper Cover. (p95)
6. Remove the Left Cover. (p98)
7. Remove the APG Unit. (p138)
8. Loosen the two screws (A) that secure the pulley holder
Before loosening the tension at the next step, mark the position of the pulley holder to make the required adjustment easier.
9. Loosen the screw (B) to loosen the tension of the CR Timing Belt.
10. Move the CR Unit until to a position over the platen.
11. Remove the CR Timing Belt from the pinion gear of the CR Motor.
12. Disconnect the CR Motor Cable from the connector (CN1) on the Sub-M Board,
and release the CR Motor Cable from the clamp.
13. Remove the two screws and the plate, and remove the CR Motor.
C) Silver M4x10 screw: 2 pcs
When installing the CR Motor, make sure to install it in the correct orientation