TM
3-4240-309-20&P
Replace lamp (p. 2-76).
Replace PECM (p. 2-70).
Repeat functional
test (p. 2-3).
Replace PECM (p. 2-70).
Repeat functional
test (p. 2-3).
Turn off power.
Proceed to page 2-50.
Disconnect P5 from
PDU and P20 from
PE. Proceed to
LEGEND
Power Distribution Unit
PDU
PECM Protective Entrance Control Module
TP
Test Point
2-49