Know Your Machine 19Service 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.
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