Troubleshooting
3A2347ZAA 53
MZLP Troubleshooting
NOTE: The MZLP LED is located on the inside of the
electrical enclosure. To view, remove the electrical
enclosure front access door.
FIG. 25: MZLP LED Signals
ti20441b1
MZLP
Signal Description
Green On MZLP is powered up and input
voltage is within operating con-
ditions.
Yellow On Internal communication in pro-
cess
Red Solid MZLP failure. See troubleshoot-
ing table.
Red Flashing Software update in process or
missing software.
FIG. 26: MZLP Diagnostic LED Location
J3
1
4
5
6
7
8
9
2
3
0
Gr
Yell
R
ti20348a
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