SECTION 06B: ELECTRICAL
DOB 2490-2789 | X3-45 Commuter PA1605 Maintenance Manual (Final Version – Rev.2 April 2016)
5
FMI 4
Shorted Low
Output A50 J1:5
shorted to ground
L70 not
working
•
A50 module failure
•
Connector C15 corroded
•
Connector C21 corroded
•
Circuit 21A shorted to ground
FMI 6
Current
above normal
Output A50 J1:5
internal software fuse
active for overcurrent
L70 not
working
•
A50 module failure
•
Connector C15 corroded
•
Connector C21 corroded
•
Circuit 21A shorted to ground
•
L70 low resistance value
MID 188 PSID # 125 Center Flash RH (A50 J1:7)
Type of
fault:
FMI
Description:
Fault Condition:
Possible
Symptoms:
Possible Causes:
FMI 3
Shorted High
Voltage present on
output A50 J1:7 but
output not active
L68 always ON
•
A50 module failure
•
Connector C58 corroded
•
Connector C21 corroded
•
Circuit 23A shorted to battery
FMI 4
Shorted Low
Output A50 J1:7
shorted to ground
L68 not
working
•
A50 module failure
•
Connector C58 corroded
•
Connector C21 corroded
•
Circuit 23A shorted to ground
FMI 6
Current
above normal
Output A50 J1:7
internal software fuse
active for overcurrent
L68 not
working
•
A50 module failure
•
Connector C58 corroded
•
Connector C21 corroded
•
Circuit 23A shorted to ground
•
L68 low resistance value
MID 188 PSID # 27 Center Mkr (A50 J1:8)
Type of
fault:
FMI
Description:
Fault Condition:
Possible
Symptoms:
Possible Causes:
FMI 3
Shorted High
Voltage present on
output A50 J1:8 but
output not active
L67 and L69
always ON
•
A50 module failure
•
Connector C21 corroded
•
Connector C58 corroded
•
Connector C15 Corroded
•
Circuit 46B shorted to battery
FMI 4
Shorted Low
Output A50 J1:8
shorted to ground
L67 and L69
not working
•
A50 module failure
•
Connector C21 corroded
•
Connector C58 corroded
•
Connector C15 Corroded
•
Circuit 46B shorted to ground
FMI 5
Open Circuit
A50 module does not
detect L67, L68, L69
or L70
L67 and L69
not working
•
A50 module failure
•
L67, L68, L69 or L70 open
circuit
•
Circuit 46B open
FMI 6
Current
above normal
Output A50 J1:8
internal software fuse
active for overcurrent
L67 and L69
not working
•
A50 module failure
•
Connector C21 corroded
•
Connector C58 corroded
•
Connector C15 Corroded
•
Circuit 46B shorted to ground
•
L67 or L69 low resistance
value