2-DIGIT DISPLAY PANEL
EVENT VALUES Decay
Lock Limit . . . Operator cab reset is disabled when lock limit is reached within decay time.
Acceptable Limit:. . . Maximum number of occurrances of an event code which can be recorded in FL275.
Window Limit: . . . Maximum number of an event with 51 frame windows.
TABLE I. 2-DIGIT DISPLAY PANEL CODES
EVENT
CODE DESCRIPTIONEVENT EVENT RESTRICTION INFORMATIONDETECTION
EVENT VALUES Decay
Time LockLimit AcceptLimit WindowLimit
00 Reset All(no events dis-
played) None Used to reset all events
01 Low level ground fault
System Event
• ACCEL: No propel and turn on SYSFLT light.
• In RETARD: Turn on SYS- FLT light only.
A ground fault is detected if leakage current to ground (truck chassis) exceeds 114 ma.There is a 0.2 second delay on shutdown. In the following order, check for: Moisture in motors, grids, power cables, motor flash, insulation failure in power circuit, defective FB102/140 card.
1800 5 20 5
02 High Level Ground Fault
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
A ground fault is detected if leakage current to ground (truck chassis) exceeds 400 ma.There is a 0.05 second delay on shutdown. Same checks as No. 01.
N/A 1 1 1
08 Pedal Accel System Event• Turn on SYSFLT light only. Incorrect accelerator output. 3600 3 10 2
09 Pedal Retard System Event• Turn on SYSFLT light only. Incorrect retard pedal out-put. 3600 3 10 2
10 GF Contactor
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
GF Contactor command and feedback do not agree.In the following order, Check for: welded tips, blocked arma- ture, defective coil or posi- tion sensor, loose wiring connections, mechanical obstruction, defective FB104 card. 3600 3 10 2 11 GFR Relay System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
GFR Relay command and feedback do not agree.
E2-12 Electrical Propulsion Components 2/02 E02016
TABLE I. 2-DIGIT DISPLAY PANEL CODES (Cont.)
EVENT
CODE DESCRIPTIONEVENT EVENT RESTRICTION INFORMATIONDETECTION
EVENT VALUES Decay
Time LockLimit AcceptLimit WindowLimit
12 MF Contactor
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
MF Contactor command and feedback do not agree.
Check for: Same as No. 10. 3600 3 10 2
13 P1 Contactor
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
P1 Contactor command and feedback do not agree.
Check for: Same as No. 10. 3600 3 10 2
14 P2 Contactor
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
P2 Contactor command and feedback do not agree.
Check for: Same as No. 10. 3600 3 10 2
17 RP1 Contactor
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
RP1 Contactor command and feedback do not agree.
Check for: Same as No. 10. 3600 3 10 2
18 RP2 Contactor
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
RP2 Contactor command and feedback do not agree.
Check for: Same as No. 10. 3600 3 10 2
19 RP3 Contactor
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
RP3 Contactor command and feedback do not agree.
Check for: Same as No. 10. 3600 3 10 2
20 RP4 Contactor
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
RP4 Contactor command and feedback do not agree.
Check for: Same as No. 10. 3600 3 10 2
21 RP5 Contactor
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
RP5 Contactor command and feedback do not agree.
Check for: Same as No. 10. 3600 3 10 2
22 RP6 Contactor
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
RP6 Contactor command and feedback do not agree.
Check for: Same as No. 10. 3600 3 10 2
23 RP7 Contactor
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
RP7 Contactor command and feedback do not agree.
E02016 2/02 Electrical Propulsion Components E2-13
TABLE I. 2-DIGIT DISPLAY PANEL CODES (Cont.)
EVENT
CODE DESCRIPTIONEVENT EVENT RESTRICTION INFORMATIONDETECTION
EVENT VALUES Decay
Time LockLimit AcceptLimit WindowLimit
24 RP8 Contactor
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
RP8 Contactor command and feedbak do not agree.
Check for: Same as No. 10. 3600 3 10 2
25 RP9 Contactor
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
RP9 Contactor command and feedbak do not agree.
Check for: Same as No. 10. 3600 3 10 2
26 Forward Coil
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
Forward position of reverser command and feedback do not agree.
Check For: Same as No.10.
3600 3 10 2
27 Reverse Coil
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
Reverse position of reverser command and feedback do not agree.
Check For: Same as No.10.
3600 3 10 2
30 Analog Output (See Subcodes) Recorded in memory onlyNo truck shutdown
Analog input exceeds 10V for .05 seconds. Software error, bad FB101 or FB102/ 140 card.Check subcodes (Table II) with PTU for more detail.
N/A N/A 5 0
31 Frequency Output Recorded in memory onlyNo truck shutdown Engine RPM signal <500 or >2300. N/A N/A 5 0
32 Analog Input(See Subcodes) Recorded in memory onlyNo truck shutdown
Software error. Bad 101/144 or 102/140 card. Check sub- codes (Table II) with PTU for more detail.
N/A N/A 5 1
33 Frequency Input(See Subcodes) Recorded in memory onlyNo truck shutdown
Incorrect M1, M2 or engine speed input. Same checks as No. 30.Check subcodes (Table II) with PTU for more detail.
N/A N/A 5 0
37 Hardware Startup (See Subcodes) Recorded in memory onlyNo truck shutdown
Check for defective FB101/ 144 card. Check subcodes (Table II) with PTU for more detail.
1800 3 5 1
45 Diode Fault
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
Ripple current in alternator field circuit exceeds a pre- set value. Indicates shorted diodes in main rectifier. Check diodes, wiring between FDP and FL275 panel. Defective FDP or FB103 card.
E2-14 Electrical Propulsion Components 2/02 E02016
TABLE I. 2-DIGIT DISPLAY PANEL CODES (Cont.)
EVENT
CODE DESCRIPTIONEVENT EVENT RESTRICTION INFORMATIONDETECTION
EVENT VALUES Decay
Time LockLimit AcceptLimit WindowLimit
46 Motor 1 Overcurrent
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
Current in Motor 1 armature exceeds limits for a preset time. Limit is a function of being in retard or accelera- tion.
3600 3 10 2
47 Motor 2 Overcurrent
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
Current in Motor 2 armature exceeds limits for a preset time. Limit is a function of being in retard or accelera- tion.
3600 3 10 2
48 Motor Field Fault
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
Motor field current not in cor- rect proportion with motor armature current. Check for defective shunt, iso-amp, wiring, FB102/140 card.
3600 3 10 4
49 Motor Field Overcurrent
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
Current in motor fields exceeds limits. Limit is a function of being in retard or acceleration.
3600 3 10 4
50 Motor Stall
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
Motors stalled with motor current above 1000 amps, inverse time function. Could be caused by overloaded truck, grade or rolling resis- tance too high.
Check for defective speed sensors, shunts, iso-amps, wiring, FB102/140 card.
3600 3 10 2
51 Motor Spin
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
One motor stuck, the other spinning for longer than 10 seconds with motor current >100A.
Check for: Same as No. 50.
3600 3 10 4
52 Alternator Tertiary Overcurrent
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
Current in alternator field ter- tiary windings exceeds lim- its for a preset time. Check for shorted diodes or SCRs in AFSE.
N/A 1 4 2
53 Motor Tertiary Overcurrent
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
Current in motor field tertiary windings exceeds limits for a preset time.
Check for shorted diodes or SCRs in MFSE.
Check for low engine rpm in retarding.
E02016 2/02 Electrical Propulsion Components E2-15
TABLE I. 2-DIGIT DISPLAY PANEL CODES (Cont.)
EVENT
CODE DESCRIPTIONEVENT EVENT RESTRICTION INFORMATIONDETECTION
EVENT VALUES Decay
Time LockLimit AcceptLimit WindowLimit
54 +15 Power
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
Out of limit (±1V) for 4 sec- onds. Check for battery volts below 20V, excessive load on supply (iso-amps or VMM), defective FB100 card.
3600 3 10 2
55 -15 Power
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
Out of limit (±1V) for 4 sec- onds.
Check for: Same as No. 54. 3600 3 10 2
56 +19 Power
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
Out of limit (±3V) for 4 sec- onds.
Check for: Same as No. 54. 3600 3 10 2
57 Motor Polarity
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
Motor 1 and motor 2 opposite polarity.
Check for: Loose shunt wir- ing, cabling to motors or shunts, defective FB102/140 card.
3600 3 10 2
59 PTU Configura-tion
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
PTU configuration inputs are
inconsistent. 3600 3 4 2
61 Retard GridMotor 1 Failure System Event• In RETARD: Turn on SYS- FLT light only.
M1 amps less than 20 and M2 amps greater than 500 for 5 seconds.
Check for loose cabling to grids, RP contactors. Inspect grids for damage, foreign objects.
3600 3 10 2
62 Retard GridMotor 2 Failure System Event• In RETARD: Turn on SYS- FLT light only.
M1 amps greater than 500 and M2 amps less than 20 for 5 seconds.
Check for loose cabling to grids, RP contactors. Inspect grids for damage, or foreign objects.
3600N 3 10 2
63 Low Axle Box Pressure
If BPS does not pick up in 101 seconds (or time set on Truck Specifics Screen). • Turn on light and buzzer.
Axle box air pressure not sensed with engine above 1550 rpm.
Check for: Leaking air ducts, open axle box door, leaking door gasket, defective BPS switch or FB103 card.
N/A 1 10 0
64 Motor 1 Over Temperature Turn On Motor Light
Motor 1 is over a specific temperature limit.
Check for: Excessive load or duty cycle, lack of cooling air.
E2-16 Electrical Propulsion Components 2/02 E02016
TABLE I. 2-DIGIT DISPLAY PANEL CODES (Cont.)
EVENT
CODE DESCRIPTIONEVENT EVENT RESTRICTION INFORMATIONDETECTION
EVENT VALUES Decay
Time LockLimit AcceptLimit WindowLimit
65 Motor 2 Over Temperature Turn On Motor Light Motor 2 is over a specific temperature limit.
Check for: Same as No. 64. N/A N/A 10 0
66 Overspeed Retarding Apply maximum retard level to reduce speed below over- speed point.
Vehicle speed exceeds pre-
set limit. N/A N/A 50 0
67 Overspeed Overshoot Recorded in memory only Vehicle speed exceeds pre-set limit. N/A N/A 10 3
68 Retard Overcurrent Recorded in memory only
Retard current level exceeded.
Check for: Defective shunt, iso-amp or FB102/140 card.
N/a N/A 25 1
69 Horsepower Low Recorded in memory only Engine low on horsepower. N/A N/A 25 1
70 Horsepower Limit Exceeded Recorded in memory only Engine horsepower limit exceeded. N/A N/A 10 1
71 Engine Over-speed Exceeded Recorded in memory only Engine speed exceeded. N/A N/A 10 1 NOTE: * The following event codes (72 & 73) applicable only to Cummins engines with special sensors installed and options activated.
72 *Engine Sensor-Warning Recorded in memory• Turn On ENGSERV Light.
An engine sensor is in the warning zone.
Check engine, sensor or FB102/140 card.
N/A N/A 10 1
73 *Engine Sensor Shutdown
• In ACCEL: No propel and turn on SYSFLT lightand ENGSDWN Light.
• In RETARD: Turn on SYS- FLT and ENGSDWN light.
Engine sensor in shutdown zone.
Check for: Same as No. 72. 3600 2 10 4
78 Engine Service Recorded in memory• Turn On ENGSERV Light. Engine Warning. Service as soon as possible. N/A N/A 10 1
79 Engine Shutdown
Recorded in memory. • Turn On ENGSDWN Light. Will inhibit propulsion after a 0.5 second delay and will continue to inhibit as long as Engine Shutdown Light is lit.
Shutdown the engine as
soon as possible. N/A N/A 10 1
80 Engine Speed Retard Recorded in memory.
Engine speed less than 1500 rpm measured 4 seconds after high idle command when going into retard. Check engine control
N/A N/A 10 1
81 Motor 1 Voltage Limit Exceeded Reduce alternator excitation to below voltage limit. Motor 1 over voltage limit.Check for defective VMM1,
VMM2, or FB101/144 card. N/A N/A 10 1
82 Motor 2 Voltage Limit Exceeded Reduce alternator excitation to below voltage limit. Motor 2 over voltage limit.Check for defective VMM1,
E02016 2/02 Electrical Propulsion Components E2-17
TABLE I. 2-DIGIT DISPLAY PANEL CODES (Cont.)
EVENT
CODE DESCRIPTIONEVENT EVENT RESTRICTION INFORMATIONDETECTION
EVENT VALUES Decay
Time LockLimit AcceptLimit WindowLimit
83 Alternator Field Current Level Recorded in memory only.
Alternator field current slow to decay.
Check for: Defective shunt, iso-amp, or FB102/140 card.
N/A N/A 10 1
88 Lamp Test None Lamp test in progress. • Not a true event. • Not logged.
90 Battery Volts Low
System Event
• In ACCEL: No propel and turn on SYSFLT light. • In RETARD: Turn on SYS- FLT light only.
Battery volts low. Less than 21 volts for 4 seconds and engine speed greater than 600 rpm.
Check for: Check 24V alter- nator or batteries.
3600 3 10 2
91 Battery Volts High Recorded in memory only.
Battery volts high. Greater than 32 volts for 4 seconds. Check 24V alternator regula- tor.
N/A N/A 10 1
92 Bad Engine Sensor Recorded in memory only. Engine sensor output outside normal range.
Check sensor and wiring. N/A N/A 10 3
98 Data Store Recorded in memory. Indicates a data snapshot has been initiated by manual
means. N/A N/A 11 10
99 Software Recorded in memory.
Software problem. The allo- cated fault registers in mem- ory are full, insufficient space exists.
Reset event list, erase events.
E2-18 Electrical Propulsion Components 2/02 E02016