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FAULT 155 in MyGeotab

asauc-7817
Original Poster

Hello
What does this type of failure imply?


It only happened once, and the device is still working normally.User uploaded image 1

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Top Answers

EishiFUN
Community Administrator

Hello @asauc-7817 ,

Thank you for asking your question in our community. I did see some of these error codes coming up not too long ago but they are all that common s thats probably why the documentation is limited on it.

Fault code 155 is associated with an invalid opcode reset. This means the GO device reset after its firmware encountered an invalid instruction.

Because it happened only once and the device is still working normally, this does not by itself indicate a hardware failure or require an RMA. The device appears to have recovered successfully.

I recommend monitoring it for now. If the fault repeats, the device stops communicating, or other symptoms appear, please contact your reseller or Geotab Support for further investigation. Please let us know if you have any other questions.

Hope that helps!
Eishi FUN

1 Reply

EishiFUN
Community Administrator

Hello @asauc-7817 ,

Thank you for asking your question in our community. I did see some of these error codes coming up not too long ago but they are all that common s thats probably why the documentation is limited on it.

Fault code 155 is associated with an invalid opcode reset. This means the GO device reset after its firmware encountered an invalid instruction.

Because it happened only once and the device is still working normally, this does not by itself indicate a hardware failure or require an RMA. The device appears to have recovered successfully.

I recommend monitoring it for now. If the fault repeats, the device stops communicating, or other symptoms appear, please contact your reseller or Geotab Support for further investigation. Please let us know if you have any other questions.

Hope that helps!
Eishi FUN

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