Know Your Machine
19
Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855
Main Controller Error Codes – Advenger / BR 755, 855 and ST
Advenger /
BR 755, 855
Display Error
Code
ST Service
LED Blink
Code *
Fault Description
System
Affected
Refer to page:
3
1,1
Speed control fault
Wheel Drive
52
4
NA
Scrub deck lift actuator overload
Scrub
32
5
1, 2
Brush motor overload
Scrub
31
6
NA
Squeegee lift actuator overload
Squeegee
21
7
1, 3
Vacuum motor overload
Recovery
42
8
1, 4
Solution solenoid overload
Solution
47
9
2, 1
Vacuum contactor coil overload
Recovery
42
10
2, 2
Brush motor contactor coil overload
Scrub
31
11
NA
Chemical pump overload
AXP/EDS
47
30
2, 3*
Solution solenoid open
Solution
47
31
2, 4
Brush motor circuit open
Scrub
31
32
NA
Scrub deck lift actuator open
Scrub
32
33
3, 1
Vacuum motor circuit open
Recovery
42
34
NA
Squeegee lift actuator open
Squeegee
21
35
3, 2
Brush motor contactor coil open
Scrub
31
36
3, 3
Vacuum motor contactor coil open
Recovery
42
37
NA
Chemical pump open
AXP/EDS
47
60
3, 4
Brush motor circuit contacts stuck closed
Scrub
31
61
4, 1
Vacuum motor circuit contacts stuck closed
Recovery
42
62
4, 2
Solution solenoid control fault
Probable board failure
63
4, 3
Brush contactor coil control fault
Probable board failure
64
4, 4
Vacuum contactor coil control fault
Probable board failure
* ST open circuit errors are only visible in Fault Recall Mode, accessible via the Hidden Menu. Refer to “Changing Program Settings - ST”
section. Then verify fault by entering Service Test Mode.
