215916 527 Revision A
Fault Codes
Telltale
Short
Description
Full Fault
Description
Recommended
Fix/Check Message
SA SPN FMI
104 521504 6
Electrical
System
AHHC Right-in Sensor High Error
Sensor voltage above 4.75 V. Check for wiring damage.
Adjust and re-calibrate or replace sensor if necessary.
104 521504 8
Electrical
System
AHHC Right-in Sensor Vref Error Reference voltage error. Check sensor wiring for
damage.
104 521505 3
Electrical
System
AHHC Right-out Sensor Low Alarm Sensor voltage below 0.35V. Check sensor power
supply. Adjust and re-calibrate or replace sensor if
necessary.
104 521505
4
Electrical
System
AHHC Right-out Sensor High Alarm
Sensor voltage above 4.5 V. Check for wiring damage.
Adjust and re-calibrate or replace sensor if necessary.
104 521505
5
Electrical
System
AHHC Right-out Sensor
Low Error
Sensor voltage below 0.175V. Check sensor power
supply. Adjust and re-calibrate or replace sensor if
necessary.
104 521505 6
Electrical
System
AHHC Right-out Sensor High Error
Sensor voltage above 4.75 V. Check for wiring damage.
Adjust and re-calibrate or replace sensor if necessary.
104 521505 8
Electrical
System
AHHC Right-out Sensor Vref Error Reference voltage error. Check sensor wiring for
damage.
104 521506 3
Electrical
System
VREF Ext. Mod, Firewall Open Load
Check wiring for damage or breaks. Contact dealer.
The following sensors may be affected:Knife
SpeedReel SpeedLeft Hand Draper SpeedRight Hand
Draper SpeedHeader IdentificationReel Height
PositionReel Fore-Aft Position
104 521506
4
Electrical
System
VREF Ext. Mod, Firewall Over Load
High current on circuit. Check wiring for damage.
Contact dealer. The following sensors may be affected:
Knife SpeedReel SpeedLeft Hand Draper SpeedRight
Hand Draper SpeedHeader IdentificationReel Height
PositionReel Fore-Aft Position
104 521507 3
Electrical
System
VREF Ext. Mod, Chassis Open Load
Check wiring for damage or breaks. Contact dealer.
The follwing sensors may be affected:Knife
PressureReel PressureDraper PressureSupercharge
PressureLeft Hand Float PositionRight Hand Float
Position
104 521507
4
Electrical
System
VREF Ext. Mod, Chassis
Over Load
High current on circuit. Check wiring for damage.
Contact dealer. The follwing sensors may be affected:
Knife PressureReel PressureDraper
PressureSupercharge PressureLeft Hand Float
PositionRight Hand Float Position
REFERENCE