
Enhanced MMP40 (or MMP40) troubleshooting flowcharts C-3
Flowcharts
Standard 1.0 Modular Option EC Installation and Maintenance Guide November 1999
Flowcharts
G100425/A
Power-up Reset
Enhanced MMP40 EC
hardware logic initializes
Proceeds
?
Proceeds
?
YES NO
NO
LED displays
".." or "0"
LED displays
"0"
LED display
stuck at BLANK
Begins running
BootROM
firmware
A
LED display
stuck at
".." or "0"
Replace
Enhanced MMP40
EC
Replace
Enhanced MMP40
EC
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