Description: Mechanical Control Board malfunction
• Communications with the M/C expansion IO G/A (IC on the Mechanical Control Board) are not properly carried out.
Remedy: 1 Check the PWB-A connector for proper connection and correct as necessary. 2 Change PWB-A.
Code: 05H
Description: Flash ROM malfunction
• Firmware upgrading has failed.
Remedy: 1 Check the PWB-A connector for proper connection and correct as necessary. 2 Change PWB-A.
Code: 08H
Description: Main Motor malfunction
• The Motor Lock signal remains HIGH for a predetermined consecutive period of time while the Main Motor remains energized. • The Motor Lock signal remains LOW for a predetermined consecutive period of time while the Main Motor remains deenergized.
Remedy: 1 Check the M1 connector for proper connection and correct as necessary. 2 Check M1 for proper drive coupling and correct as necessary. 3 Check the PWB-A connector for proper connection and correct as necessary. 4 M1 operation check. PWB-A PJ8A-5 (REM) PWB-A PJ8A-8 (LOCK) 2-G-H 5 Change PWB-A. 6 Change PU.
Code: 0BH
Description: Ventilation Fan Motor malfunction
• The Fan Motor Lock signal remains HIGH for a predetermined consecutive period of time while the Ventilation Fan Motor remains energized.
Remedy: 1 Check the M6 connector for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 Check the PWB-A connector for proper connection and correct as necessary. 4 M6 operation check. PWB-A PJ10A-1 (REM) PWB-A PJ10A-3 (LOCK) 2-H. 5 Change PWB-A. 6 Change PU.
Code: 0CH
Description: Power Supply Cooling Fan Motor malfunction
• The Fan Motor Lock signal remains HIGH for a predetermined consecutive period of time while the Power Supply Cooling Fan Motor remains energized.
Remedy: 1 Check the M4 connector for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 Check the PWB-A connector for proper connection and correct as necessary. 4 M4 operation check. PWB-A PJ4A-1 (REM) PWB-A PJ4A-3 (LOCK) 7-D. 5 Change PWB-A. 6 Change PU.U.
Code: 10H
Description: Polygon Motor malfunction
• A LOW Motor Lock signal is not detected even after the lapse of a predetermined period of time after the Polygon Motor has been started. • The Motor Lock signal remains HIGH for a predetermined consecutive period of time while the Polygon Motor remains energized.
Remedy: 1 Check the cable and connector for proper connection and correct as necessary. 2 Change PH Unit. 3 Change PWB-A.