| Service Information | An error has been detected during the test of the relative clock frequencies. If all four frequencies tested failed, then it is likely that the reference clock is out of spec. If only one frequency failed, then the indicated clock source is out of spec. A failure indicates a hardware fault with the head controller board. | |
| Operator Action | Call service. | |
| Causes |
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| Related Documents |
COMMAND: dbg clockstest | |