This procedure applies to single-head, two-head, three-head, and four-head machines equipped with a seven-inch control panel and a single rear cable. Machines with three rear cables follow the same process but require disconnecting additional cables.
Identify the control panel type by checking the rear of the panel:
- One rear cable: 507 model
- Three rear cables: 307 model
Removing the Control Panel
- Remove the four mounting screws located at the corners of the control panel. The lower screw may require repositioning the panel for access. A smaller screwdriver may help.
- Carefully pull the control panel forward. The panel will remain supported by the internal cables.
- Locate the black grounding cable secured with a screw. Remove this screw. This is the only internal screw that must be removed.
- Disconnect the two connectors attached to the black cable. One connector has a locking clip that must be released.
- Remove the grounding cable completely and set it aside. This cable will be reused.
- Remove the control panel assembly from the machine.
Transferring the Mounting Bracket
- The replacement control panel does not include a mounting bracket. The existing bracket must be reused.
- Remove the four internal screws securing the old panel to the bracket.
- Align the control knobs to prevent interference during removal.
- If necessary, disconnect the Ethernet cable to access the final screw.
- Detach the Ethernet cable and set the old panel aside for return.
Installing the Replacement Control Panel
- Open the replacement panel housing by removing the rear screws.
- Remove and detach the black grounding cable from the replacement panel.
- Attach the replacement panel to the existing bracket using the four internal screws.
- Ensure the panel is seated correctly and no cables are pinched.
- Reconnect the Ethernet cable to the replacement panel.
- Route and reconnect the black grounding cable using the retained screw. Tighten until snug. Do not overtighten.
- Reconnect all remaining connectors. Each connector is keyed and will only fit in the correct location.
- Reinstall the rear mounting screws. For alignment, install at least one screw before fully securing the panel.
Control Panel Settings for TC Machines
After control panel installation, power on the machine. If necessary, change the language setting from the Menu.
Accessing Settings
- Access the EMB Program menu.
- Select the locked machine icon.
- Enter password 08150711 and confirm.
DC Machine Parameters
- Thread break sensitivity: Solo
- Main driver ratio: 195
- Trim start angle: 265
- Hook start angle: 100
- Hook run angle: 100
- Leave all remaining options on page one disabled.
- Machine type: DC
- Lock mode: Motor Lock
- Lock step: 89
Leave pages three through seven at default.
MP Params
- Page one value: 3
- Hook motor speed: 5
- Needle count: 50
- Thread break sensitivity: 5
- Bobbin detection: Low
Press OK to save and Escape to exit.