Kyocera ECOSYS P3055dn
Troubleshooting. Electric problems 1
If the part causing the problem was not supplied, use the unit including the part for replacement. Troubleshooting to each failure must be in the order of the numbered symptoms.
| Problem | Causes | Check procedures/corrective measures |
|---|---|---|
| (1) The machine does not operate when the power switch is turned on. | 1. No electricity at the power outlet. | Measure the input voltage. |
| 2. The power cord is not plugged in properly. | Check the contact between the power plug and the outlet. | |
| 3. Broken power cord. | Check for continuity. If none, replace the cord. | |
| 4. Defective power switch. | Check for continuity across the contacts. If none, replace the power switch. | |
| 5. Defective interlock switch. | Check for continuity across the contacts of interlock switch. If none, replace the power source PWB | |
| 6. Defective power source PWB. | Replace the power source PWB or engine PWB | |
| (2) Eject motor does not operate. | 1. Defective connector cable or poor contact in the connector. | Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Eject motor and relay-L PWB (YC12) Relay-L PWB and engine PWB (YC2/YC31) |
| 2. Defective drive transmission system. | Check if the rollers and gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any. | |
| 3. Defective motor. | Replace the eject motor. | |
| 4. Defective PWB. | Replace the engine PWB or the relay-L PWB and check for correct operation | |
| (3) Power source fan motor does not operate. | 1. Defective connector cable or poor contact in the connector. | Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Power source fan motor and engine PWB (YC10) |
| 2. Defective motor. | Replace the power source fan motor. | |
| 3. Defective PWB. | Replace the engine PWB and check for correct operation | |
| (4) LSU fan motor does not operate. | 1. Defective connector cable or poor contact in the connector. | Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. LSU fan motor and relay-L PWB (YC4) Relay-L PWB and engine PWB (YC2/YC31) |
| 2. Defective motor. | Replace the LSU fan motor. | |
| 3. Defective PWB. | Replace the engine PWB or the relay-L PWB and check for correct operation |