10.07.2015 Views

Series 16/18/160/180-Model C Maintenance Manual, GFZ-62755EN ...

Series 16/18/160/180-Model C Maintenance Manual, GFZ-62755EN ...

Series 16/18/160/180-Model C Maintenance Manual, GFZ-62755EN ...

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8. TROUBLESHOOTING B–<strong>62755EN</strong>/0<strong>18</strong>.35ALARM 930 (CPUERROR)Causes and RemediesCPU error (abnormal interrupt) has generated.1) Main CPU board is faultyAn interrupt which will not occur during usual operation hasgenerated.Peripheral circuit of the CPU may be abnormal. Change the mainCPU board. If operation is performed normally by power off andon, noise may be a cause. Refer to Subsec. 2.4.<strong>16</strong> Action AgainstNoise.382

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