Ender 3 S1 Pro with Sonic Pad locks up, white screen

I have had some great success with my Ender 3 S1 Pro with a Sonic Pad attached. I started a long print and it got half way through and the print head just stopped, the Sonic Pad screen turned white and I would not connect to web UI. I turned it off and back on and it appeared to come back and I was able to start the print again. This time, part way through the warm up it froze again and I saw this on the console:

21:54:27 // Klipper state: Shutdown

21:54:27 // {"code":"key1", "msg":"Heater extruder not heating at expected rate
// See the 'verify_heater' section in docs/Config_Reference.md
// for the parameters that control this check.
//
Once the underlying issue is corrected, use the
FIRMWARE_RESTART command to reset the firmware, reload the
config, and restart the host software.
Printer is shutdown
"}

It kind of seemed like the “heater extruder not heating…” happened to be what it was doing when it locked up, rather than the root cause but that is just a guess.

The screen is white and the web UI does reconnect but I see this:

Every minute or two the web interface reconnects but the Sonic Pad screen stays white.

No recent changes. I have just been printing lots of stuff and it failed mid-print. I was able to “preheat” for PETG and after a minute it was at 235C/60C.

After preheating, I started the print again and got a different error but the same shutdown.

Unhandled exception during run
Once the underlying issue is corrected, use the
FIRMWARE_RESTART command to reset the firmware, reload the
config, and restart the host software.
Printer is shutdown

Not sure if it’s important but I looked somewhere after the failure and saw that memory (not disk) was at 99%. Not sure where I saw it.

Hi Ken. I would reload the original firmware in the S1 Pro and run a print. If the printer works OK then the fault is with the sonic pad.

Reinstall the firmware in the sonic pad and run the full install again then check operation. You can download the firmware from the creality web site for both the printer and the sonic pad.

Bill

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Thanks for the reply. I reinstalled the Marlin firmware from the Creality support site and it is printing correctly. That’s great.

Resetting the Sonic Pad has been more of challenge. I unplugged the printer form the Sonic Pad and downloaded the Creality_Sonic_Pad_V1.0.6.54.20 package and put the config.ini and the swu file on a USB drive. I put the drive in a USB port on the Sonic Pad and turned it on but it came up with no signs of having done anything with the USB drive. A minute or two later, the Sonic Pad screen turned white. I am able to connect to the web interface but it drops and gives me the option to reconnect, but it only stays connected for a couple of minutes.

I am not sure what else to try.

Ken