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[ IX Troubleshooting ]
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HWE08040 GB
1. Error Code
Power supply signal sync error
2. Error definition and error detection method
The frequency cannot be determined when the power is switched on.
3. Cause, check method and remedy
1. Error Code
Power supply signal sync error
2. Error definition and error detection method
The frequency cannot be determined when the power is switched on.
3. Cause, check method and remedy
4115
(THMU-A)
Cause Check method and remedy
(1) Power supply error Check the voltage of the power supply terminal
block (TB1).
(2) Noise filter problem
Coil problem
Circuit board failure
Check the coil connections.
Check for coil burnout.
Confirm that the voltage at the CN02 connector is
188 V or above.
(3) Faulty wiring Check fuse F01 on the control board (or F1, F2).
(4) Wiring failure
Between noise filter board CN02 and control board
CNAC
Confirm that the voltage at the control board con-
nector CNAC is 188 V or above.
(5) Control board failure If none of the items described above is applicable,
and if the trouble reappears even after the power is
switched on again, replace the control board.
4115 (YHMU-A)
Cause Check method and remedy
(1) Power supply error Check the voltage of the power supply terminal
block (TB1).
(2) Noise filter problem
Coil problem
Circuit board failure
Check the coil connections.
Check for coil burnout.
Check that the voltage across TB21 and TB22 on
the noise filter board is 414V or above.
(3) Faulty wiring Check F01 on the control board, F4, and F5 for a
blown fuse.
(4) Wiring failure
Between noise filter CN3, noise filter CN2, transformer
box, and control board CNAC
Confirm that the voltage at the control board con-
nector CNAC is 190 V or above.
(5) Control board failure If none of the items described above is applicable,
and if the trouble reappears even after the power is
switched on again, replace the control board.