Tajima TMFX Electronics

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Electronics

Tajima TMFX Power Box

The Tajima TMFX machine electronics consist of the main power box, control panel and various other small boards such as head cards and joint cards.

List of boards generally found on the Tajima TMFX models:

Power Box

Shown in picture. The TMFX Power Box houses the Tajima TMFX's main power boards which include the 2 x DU-A, the S-card, and the Main card. All four boards are attached to the large heatsink chassis with screws and can be removed with T-handle 3.0mm hex keys. There is a large amount of heat sink compound normally on each board. There is an optional fan on the underside, generally on the four head and up. It is preferred that the entire power box is shipped when undergoing repairs.

DU-A

Power and control of the X/Y motors. Successor to the DU-10 XY card used in earlier Tajima DC/HC models. There are two per machine. They have front switches to turn them on and off, there are LED colors in the front (behind a shaded screen) and will be green or orange. The control panel will automatically turn off some of the cards, temporarily, in a few situations such as a floppy read command. When a warning is triggered on any of the XY board sensors it will turn the light red and not allow any commands from there. On power up, the cards remain orange until the control panel activates them.

S-Card

Power and control of the main shaft motor. This is the largest motor on the machine. This is the only card that has an optional plug in the back, which are labeled 100V and 200V. If you have 110V power then either plug works but it is not recommended to mismatch; although the 200V only slightly leeches off of the main card's ability to provide power to the rest of the system, if anything happens to the S-card then the main card will also be damaged. If you have 200V or more from your wall power, then you have no choice but to use the 200V plug; using the 100V plug with 200V wall input may damage the S-card.

Color change card

Power to the color change motor. Also reads the color change potentiometer and some solenoids.

Head card

One card per head. Detects thread break signals from the head assembly, and powers some solenoids. If one is bad, it can interfere with signals of all, including the color change card. When configuring the control panel, it also asks to pick a head card type 1 or type 2, and if the choice is wrong then all thread break signals will be wrong and erratic.

Troubleshooting and Error Messages

The Tajima TMFX machine can produce the error messages

211: Main shaft not at fixed position. Spin manually or use the ATH function. 225: Stitching outside of cap frame space. 281: Color change cannot reach needle position. Check for bind. Check potentiometer. 291: Thread break. 2B1: Tape reader error. No reader is detected. 2B2: Tape reader error. Data is corrupted. 2B3: Tape reader error. End code data is incorrect. 2B4: Tape reader error. Data is out of order. Please reset all units. 2B5: Sequin data has an error. 2B6: Tape reader error. No data coming in. 2B7: Please load data first. 2B8: Trying to run machine while data is still loading. 2B9: Memory writing error. Try erasing all memory. 2BA: Memory full. Erase designs. 2BB: Cannot frame back any more. 2BC: No data in memory here. 2C2: Incorrect option, please change. 2CE: Beam sensor is tripped, make sure both mirrors are aligned. 311: Main motor not spinning. Check the S-card if it is active. Check main shaft if it is bound. 312: Main shaft encoder giving incorrect signal. Check connections. 316: The S-card is giving an error signal. Check card. 322: The X-card is giving an error signal. Check card. 323: The Y-card is giving an error signal. Check card. 382: Color change motor is not moving. Check for binds. Check connections. 383: The color change location is not valid for running the head. Please check or re-center. 3D1: Battery error. 3D6: CPU card detects problem with main program. Reinstall. B01: Floppy disk format is not correct. Is the disk bad, or the floppy drive configured correctly? B02: Floppy file system is not correct. Is the disk bad, or the floppy drive configured correctly? B03: Floppy is marked as read-only. B04: Floppy drive says no disk is inserted. Check drive configuration. BC1: No tajima designs found. BC2: Cannot overwrite same name design. BC4: Floppy write failed. Re-try. BC5: Floppy disk is full. C01: No response to floppy drive activation signal. Check drive configuration. 1B1: Stop due to frame stepping. 1B2: Stop due to stop code. 1B3: Stop due to end of design. 1B4: Stop due to thread trim. 1B5: Stop due to sequin code. 1C1: Stop due to stop button.