HOW TO CHECK FOR ERROR USING THE LEDS
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| LED States |
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Master |
| Inverters |
| Cause | Corrective Action | |||
unit | Station 1 | Station 2 | Station 3 |
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| L. RUN " | L. RUN $ | L. RUN $ | Since the L.RUN LEDs of the | Referring to the LED "on" | |||
| SD | " | SD | * | SD | * | station 2 and later are off, the transmission cable | |
| condition, search for an open point | |||||||
| RD | " | RD | * | RD | * | between the remote I/O units A and B is open or | and repair. |
TIME $ | L. ERR $ | L. ERR $ | L. ERR $ | disconnected from the terminal block. |
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L. RUN $ | L. RUN $ | L. RUN $ |
| Among the three wires of the | ||||
LINE $ |
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or | SD | * | SD | * | SD | * | The transmission cable is shorted. | transmission cable, search for the |
TIME " | RD | * | RD | * | RD | * |
| shorted wire and repair. |
LINE $ | L. ERR $ | L. ERR $ | L. ERR $ |
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L. RUN $ | L. RUN $ | L. RUN $ |
| Check the wiring on the inverter | ||||
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| SD | * | SD | * | SD | * |
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| The transmission cable is wired improperly. | terminal block and correct the | ||||||
| RD | * | RD | * | RD | * |
| improper wiring point. |
| L. ERR * | L. ERR * | L. ERR * |
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": On, $: Off, #: Flicker, *: Any of on, flicker or off
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