Code
Description
Criteria
Controller
Action
Solution
Other Fatal Errors
H901
Assertion failed Violation of a mandatory
precondition
Restart
H902
Out of memory Memory allocation failed
Restart
H903
Watchdog
timeout
Watchdog wasn't serviced
timely
Restart
H904
Stack Overflow A stack overflow has been
detected.
Restart
H905
Hard fault error The CPU detected a hard fault Restart
H999
Other fatal error Unspecified fatal error
Restart
• Verify all connections inside of
controller are properly made.
• Restart controller.
• Verify software version and upgrade
if needed.
• Replace main board if necessary.
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