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Item No.
U018
Check Firmware Checksum
Description
Investigate that the firmware has not been modified.
Purpose
Investigate that the firmware has not been modified by re-calculate the checksum.
Method
1. Press the start key.
EXpected
Result
Execute
2. Select [Execute].
3. Press the start key.
Displays the checksum in [Expected] after execution.
If the verified result was incorrect, the following are displayed.
f001
f002
f003
s001
NG
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
Y116141-8
Display
Displays the expected checksum.
Displays the calculated checksum.
Perform the self-investigation.
Display
An expected-value file does not exist.
Reading the expected-value file failed.
Illegal data in the expected-value file (not 64-byte data)
Failure to read the checksum
The expected value and the checksum do not match.
Description
Description
Description
1-3-29
2NP
Service Manual
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