8. ELECTRIC MECHANISM
Error status | #6 Home position is not correct. |
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Probable causes | Check/ repair/ adjust | Parts to be replaced | |||||
1. Home position sensor not | • Check the status of home position signals. |
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adjusted properly |
| (Detect the home position and check the |
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| monitor lamps (red) of the X and Y home |
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| position sensors.) |
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| X is illuminated and Y is off. |
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| Both X and Y are off. |
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| In the above cases, adjust the position of |
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| the home position dog. (See |
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| Adjusting the home position.”) |
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| For any other cases, carry out inspection |
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| #8. |
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Error status | #7 Work clamp does not return to the home position even after the foot switch is depressed. | ||||||
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Probable causes | Check/ repair/ adjust | Parts to be replaced | |||||
1. Foot switch and cord defec- | (Make sure that the power is turned off.) | Foot switch |
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tive |
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| • Remove the connector for foot switch |
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(First | Connector on the cord | connected to the outside of the control |
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| box, and check the continuity between |
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position) |
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Work |
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| pins 1 and 2, and pins 7 and 8 in the |
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clamp |
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| connector on the cord. (For pneumatic |
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(Second |
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| specification, check the continuity be- |
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| tween pins 3 and 4.) |
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position) |
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| The continuity in each case should be |
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Start |
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| normally ∞ Ω or 0 Ω when the foot switch |
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| Second position work clamp | is depressed. |
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3636Q | (Pneumatic only) |
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2. Any cord in the control box is | • Insert the connector checked above, open | Foot | switch | cord | |||
defective |
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| the control box, and check the continuity | assembly |
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| between pins 1 and 2, pins 3 and 4 in the |
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| connector P17 (FOOT) on the main circuit |
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| board. (For pneumatic specification, check |
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| the continuity between pins 5 and 6.) |
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| (Without removing the connector, put a |
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| tester from the lead side.) |
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| The continuity in each case should be |
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| normally ∞ Ω, or 0 Ω when the foot switch |
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Start | Work | Work clamp | is depressed. |
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| clamp | (second position) |
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| (Pneumatic only) |
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| 3637Q |
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Error status | #8 Error code appears on the display window when the foot switch is depressed. |
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Probable causes | Check/ repair/ adjust | Parts to be replaced | |||||
1. Fuse has blown when the | • Remove fuse No.1 and check it for | Fuse |
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feed mechanism | does not | continuity. If there is no continuity, the |
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move and error code | fuse is defective. Proceed to |
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appears | on | the | display |
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window. |
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([E.A1] |
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181 |