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Size: 583
Comment:
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Size: 780
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
| Line 6: | Line 6: |
| Each iKAGRA ETM suspension has 4 coils and 4 pico-motors connected. | Each iKAGRA ETM suspension has 4 coils and 4 pico-motors (pitch:1-6, yaw:2-7, z:3-8, y:4-9). |
| Line 8: | Line 8: |
| If the coil-magnet actuator seems to have a problem, please check 2 things. | If you find a problem about coil-magnet actuator, please check 2 things. |
| Line 10: | Line 10: |
| 1. Coil drivers in particular for Y-end had a loose connection with power line (-18V, -15V). | 1. Coil drivers in particular for Y-end had a loose connection with power line (-18V, -15V). |
| Line 12: | Line 13: |
| 2. Sometimes watchdog? system stop the output current from the coil driver in order to | 2. Sometimes watchdog? system stop the output current from the coil driver in order to |
| Line 16: | Line 18: |
| Check the PR3 status according to the flowchart below. [[attachment:TroubleshootFlowchart.png|{{attachment:TroubleshootFlowchart.png|text describing image|width=300}}]] |
Mode Cleaner Suspensions
Each MC suspension has 4 coils and 2 pico-motors (pitch, yaw).
ETM
Each iKAGRA ETM suspension has 4 coils and 4 pico-motors (pitch:1-6, yaw:2-7, z:3-8, y:4-9).
If you find a problem about coil-magnet actuator, please check 2 things.
1. Coil drivers in particular for Y-end had a loose connection with power line (-18V, -15V).
Please check the LED on coil driver. If the LED is out, try to fasten the power line.
2. Sometimes watchdog? system stop the output current from the coil driver in order to protect mechanical system.
PR3
Check the PR3 status according to the flowchart below.
