Siemens 7MB3000 Series Operating Instructions Manual page 155

Fault message Description
Memory error detec‐ A hardware fault, faulty firmware or no firmware at all has been de‐
ted tected in the following analyzer modules, e.g., AM1. Possible causes:
•
•
•
In this case, the analyzer module starts in bootloader mode and is
ready to perform a firmware update.
If the error still exists despite the firmware update, the analyzer mod‐
ule FBG must be replaced.
Cable fault detected The installed analyzer modules could not be recognized correctly.
Possible causes: Faulty or incorrectly connected CAN bus cable.
Wall-mounted device
Operating Instructions, 07/2023, A5E31930403-AB
No firmware is present on the analyzer module.
The existing firmware is invalid.
The program memory is faulty.
Maintenance and servicing
11.10 Eliminating faults and errors
Measures
Please contact the service de‐
partment.
Check the CAN bus connec‐
tions.
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