9.2 Daily Checks
1. Pay special attention during the maintenance work to minimize the risk of electrical CAUTION shock.
2.Turn off power immediately if the V200 CPU or related equipment is emitting smoke or burning. Operation under such situation can cause fire or electrical shock.
To maintain the system and to prevent troubles, check the following items on daily basis.
Item | Check |
| Corrective measures | |
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|
Status LEDs | PWR |
| Lit when internal 3.3 V | If the LEDs are not normal, see |
| (power) |
| is normal. | Troubleshooting. |
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|
| RUN |
| Lit when operating |
|
|
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| normally. |
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|
| FLT (fault) |
| Not lit when operating |
|
|
|
| normally. |
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| |
Mode control | Check that the mode control switch is in | Turn this switch to R (RUN) side. | ||
switch | R (RUN) side. Normal operation is |
| ||
| performed when this switch is in R |
| ||
| (RUN) side. |
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| |
|
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| ||
Input LEDs | Lit when the corresponding input is ON. | • Check that the input terminal screw | ||
|
|
|
| is not loose. |
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|
| • Check that the input terminal block is |
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|
|
| not loose. |
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|
| • Check that the input voltage is within |
|
|
|
| the specified range. |
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| ||
Output LEDs | Lit when the output is ON and the | • Check that the output terminal | ||
| corresponding load should operate. | screw is not loose. | ||
|
|
|
| • Check that the output terminal |
|
|
|
| block is not loose. |
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|
| • Check that the output voltage is |
|
|
|
| within the specified range. |
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