TM 1-2840-252-23-3
TABLE 1. FAULT CODE INDEX
Fault
Fault Description
Procedure
Code
Figure No.
10
141
11
Non-volatile RAM Checksum Hard Fault
141
12
Non-volatile RAM Engine History Data Soft Fault
141
13
Non-volatile RAM Fault Data Soft Fault
141
14
Non-volatile RAM Accumulated Fault Data Soft Fault
141
15
Non-volatile RAM Write Test Soft Fault
141
16
Non-volatile RAM Storage Incomplete
141
17
Non-volatile RAM History Data Inconsistent
141
18
Minor Cycle Not Completed Hard or Soft Fault
141
1B
EMS Cycle Not Completed Soft Fault
141
1C
A/D Conversion Not Completed Hard or Soft Fault
141
1E
RAM Failure Hard Fault
141
1F
Opcode Error Hard Fault
141
Al
Q Sensor Soft Fault
112
A2
N2 Set Potentiometer Soft Fault
113
A3
Primary and Reversionary C/P Angle LVDT Soft Fault
114
A4
NR Sensor Soft Fault
115
A5
Primary and Reversionary ECL Resolver Soft Fault
116
A6
Airframe Emergency +28V DC Supply Soft Fault
117
A7
Airframe +28V DC Supply Soft Fault
118
B2
Primary or Reversionary N1 B Sensor Soft Fault
133
B3
Primary or Reversionary N2B Sensor Soft Fault
134
B4
Primary or Reversionary T4.5 Sensor Soft Fault
135
B5
Primary or Reversionary C/P Angle LVDT Soft Fault
136
B6
Primary or Reversionary ECL Resolver Soft Fault
137
B7
Primary or Reversionary PLA Potentiometer Soft Fault
138
B9
Primary or Reversionary CJC Soft Fault
139
BA
Reversionary +28V Soft Fault
139
BB
139
BC
Primary or Reversionary 400Hz Resolver Reference Soft Fault
140
C1
Communication Line Soft Fault on T4.5 (0) Signal
129
C2
Communication Line Hard or Soft Fault on P1 (O) Signal
129
C3
Communication Line Hard or Soft Fault on T1 (0) Signal
129
C4
Communication Line Soft Fault on Q (0) Signal
130
C5
Communication Line Soft Fault on N2 SET (0) Signal
129
C6
Communication Line Soft Fault on C/P (0) Signal
129
C7
Communication Line Soft Fault on NR (0) Signal
129
C8
Communication Link Soft Fault
129
C9
Communication Line Soft Fault on N1B (0) Signal
131
CF
Loss of Load Share Signals Hard Fault
132
DO
Overspeed Drive Soft Fault
119
D1
P3 Transducer Soft Fault
121
D2
P1 Transducer Soft Fault
122
D3
119
G-5