Electrical Trouble Shooting
Power Up / Sign On / Communications
Problem |
| Probable Cause | Corrective Action |
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Machine fails to power up | 1) | Incorrect power voltage. | 1) Confirm that the AC entry is configured for the |
with no light present in |
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| line voltage intended to be applied to the |
the AC power switch. |
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| machine. Failure to do so can damage the |
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| machine's internal power supply. Refer to the |
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| "Fuse Configuration". |
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| 2) | Lack of power to machine. | 2) Check that both ends of the power cord are |
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| plugged in securely. |
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| 2A) Confirm that the outlet the machine is plugged |
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| into has power. |
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| 3) | Missing or blown fuse(s) | 3) Check that the fuse(s) located inside the AC |
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| entry are present and intact. Replace as needed. |
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| Refer to the "Fuse Configuration". |
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Machine fails to power up with light present in the AC power switch.
1)Unconnected cable / connector inside machine.
1)Power off and remove the power cord from the AC entry. Remove the back cover and inspect the cables and connectors to and from the power supply. Refer to the "Electrical System Schematic".
2) Thermal Control Board | 2) Power off and remove the power cord from the |
unplugged from the Mother Board | AC entry. Remove the back cover and reseat the |
| Thermal Control Board. |
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Front panel displays no text 1) Front panel cable unplugged. | 1) Power off and remove the power cord from the |
or nothing at all. | AC entry. Remove the back cover and inspect |
| the cable and connectors to and from the front |
| panel. Refer to the "Electrical System |
| Schematic". |
40 • Electrical Trouble Shooting | User Manual Model 676 LOKPRINT® |