Fault Messages
Table 19. LCD Message Troubleshooting Table
Displayed Message | Can User | Explanation | Solution | |
Correct? | ||||
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8.5V PWR FAIL* | No | Internal power failure. | Contact your authorized | |
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| customer service engineer.1 | |
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15V PWR FAIL* | No | Controller voltage | Contact your authorized | |
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| failure. | customer service engineer.1 | |
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23.5V PWR FAIL* | No | Controller voltage | Contact your authorized | |
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| failure. | customer service engineer.1 | |
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48V PWR FAIL* | No | Internal power failure. | Contact your authorized | |
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| customer service engineer.1 | |
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ACCESS NULL PTR* | No | Fatal firmware error on | Contact your authorized | |
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| controller board. | customer service engineer.1 | |
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A TO D OVERUN* | No | Fatal firmware error on | Contact your authorized | |
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| controller board. | customer service engineer.1 | |
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BUFFER OVERFLOW | Yes | Host sends data after | Check your serial host interface | |
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| the printer buffer is | parameter settings; if necessary, | |
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| full. (Serial interface.) | adjust them so that they match | |
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| the settings of the attached host. | |
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CLEAR PAPER JAM | Yes | No paper motion. | Clear jam and reload paper. | |
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| (See Operator’s Guide.) If this | |
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| message recurs, contact your | |
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| authorized customer service | |
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| engineer.1 | |
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CLOSE PLATEN | Yes | The forms thickness | Close the forms thickness lever | |
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| lever is open. | (page 47.) | |
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COIL HOT* | No | One or more hammer | Contact your authorized | |
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| coils are overheating. | customer service engineer.1 | |
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CTL VOLT FAIL* | No | Controller voltage | Contact your authorized | |
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| failure. | customer service engineer.1 | |
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DRVR CIR BAD* | No | Hammer coil count | Contact your authorized | |
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| test failed. | customer service engineer.1 | |
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