212 • Crestron Pyng OS 2 for CP4-R Product Manual – DOC. 8432A
Appendix B: Restore a CP4-R to Factory
Settings
If the CP4-R is no longer communicating with Crestron Toolbox via USB or Ethernet, use
the following procedure to restore the device to its factory default settings.
CAUTION: All configured settings and device pairings are lost following a factory
restore.
1. Use a small, pointed object (such as the tip of a pen) to press and release the
HW-R button on the front of the CP4-R.
2. Use a small, pointed object (such as the tip of a pen) to quickly press the SW-R
button on the front of the CP4-R five times, with under a 1-second gap between
each press.
3. Wait up to 15 minutes for the self-recovery process to complete.
4. Attempt to make a connection to Crestron Toolbox via USB. (USB is the only
valid connection type.)
5. Once the device has been discovered, use the Text Console tool in Crestron
Toolbox to check for a prompt. The standard device prompt should display.
NOTE: Repeat steps 1–5 if the first attempt does not correct the issue. If the
CP4-R is still unresponsive, contact Technical Support for assistance.
6. The restore process may enable SSL (Secure Sockets Layer) on the CP4-R. After
communication returns following the restore, issue the
ssl off command using
the Text Console tool to disable SSL.
NOTE: If a connection cannot be established using the Text Console tool, change
the connection type from Auto Detect to SSL in the Edit Connections dialogue.
7. Reload the Crestron Pyng firmware via the Package Update Tool in Crestron
Toolbox to ensure that any touch screen projects are also reloaded to the CP4-R.
If the CP4-R is still communicating with Crestron Toolbox via USB or Ethernet, or if the
initialize command was issued to the CP4-R as part of a troubleshooting procedure,
issue the restore command using the Text Console tool, and then follow the post-
restore process (steps 6–7 in the above procedure).
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