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6.5Identifying Fatal Fault Codes and Recovering
Fatal fault codes are distinguished by the letter F preceding the code. They normally indicate a malfunction of the microprocessor on the Regulator board. In some cases, fatal fault codes can be reset and the drive can be
If the fault code FUE appears in error log entry 0, it indicates a fatal fault occurred as power was lost. Contact Reliance Electric or observe the drive for subsequent fatal errors before turning off power. Fatal fault codes are lost after power loss.
Table 6.4 – Fatal Fault Codes That Can Be Reset
Code | Fault Description | Fault Cause | Corrective Action |
F 3 | Encoder | Encoder voltage is less than | Turn off power to the drive. Disconnect |
| diagnostic error. | 10 V. | the encoder wiring from the terminal strip. |
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| Turn power to the drive back on. |
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| If the F3 error does not occur again, the |
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| problem is in the wiring between the drive |
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| and the encoder. |
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| If the F3 error does occur again, the |
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| problem is in the Regulator board, which |
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| should be replaced. |
F 60 | Option port identification | The option board could not | Check the ribbon cable between the |
| error. | be identified by the regulator. | Regulator board and the option board. |
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| Check the option board’s jumper settings. |
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| Refer to the appropriate option board |
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| instruction manual for more information |
|
|
| about the option board. |
F 61 | Option board | Option board has failed one | Check the ribbon cable between the |
| diagnostic failure. | or more | Regulator board and the network option |
|
| diagnostics. | board. Replace the option board if |
|
|
| necessary. |
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| Refer to the appropriate option board |
|
|
| instruction manual for more information |
|
|
| about the option board. |
F 62 | Option board runtime | During operation, the option | If intermittent, check for causes of noise, |
or | error. | board watchdog failed or | for proper grounding, and that outputs |
F 26 |
| handshaking with the drive | are not exceeding rated current |
|
| failed. | capacities. |
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| Replace the option board if necessary. |
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| Refer to the appropriate option board |
|
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| instruction manual for more information |
|
|
| about the option board. |
Carrier VFD Quick Reference |