Advance acoustic 56314009, Service Manual

Page: 31 / 79

SCRUB BRUSH SYSTEM
FORM NO. 56043089 - AquaRide
™
- 29
FIGURE 1
SCRUB BRUSH SYSTEM TROUBLESHOOTING
On all models the scrub system’s major electrical components are monitored by the main controller (E1) to detect any system function failures
(error codes). The system components covered are the brush motor(s) (M7 & M8), brush solenoid (K1) and brush lift actuator motor (M1). Detected
error codes from the main controller are displayed on the hour meter LED display
(G) as they occur. Note: Reference the Main Control Board
Troubleshooting Guide in the Electrical System of this manual for speci fi c fault descriptions and service repair actions.
M 7
M OTOR, BRUSH
Amps = 22
M
K1
CONTACT N.O.
K2
S2
M 8
M
K1
CONTACTOR , BRUSH Amps = .33
M 1 BRUSH LIFT
ACTUATOR
Amps = 3
M
F2
To W heel Drive M otor
L1
S1
F3
F4
R1
POT. 5K OHM
1
2
3
RED
BLK
RED
RED BRN/YEL
B
RN
/YEL
BR
N
RE
D
/W
H
T
OR
N
/B
LK
GRA
VIO
BLU/BLK
RED/BLK
BRN/BLK
BLK
W HT/BRN
W HT/BRN
BR
N
/W
H
T
W HT/RED
WH
T/
RE
D
RED
BLK
YE
L/V
IO
BLK
BL
U
BLK
BLU
YE
L/V
IO
BL
K
BR
N
/W
H
T
BRN
ORN
ORN
ORN/BLU
ORN
VIO
YEL
YEL
B+
1
B+
2
KEY S
W
.
SE
AT
SW
.
POT. OUT
POT. IN
RE
V.
FO
R.
/R
EV
.
PIN 13 -- POT. LO
PIN 3 -- POT. HI
PIN 4 -- POT. W IPER
PI
N
1
6 - R
EV
. AL
AR
M
PI
N
6
-- BR
AK
E
B+
B-
M 2
M 1
PI
N
8
--
SL
O
W
/F
A
ST
ACC
BR
U
SH
B- 1 B- 2 B- 3 B- 4
A1
SPEED CONTROLLER
INTERFACE
THERM ISTOR
I -- BR
U
SH
E1
CONTROL BOARD
SP
EED
L
IM
IT
J4
-8
J2
-5
J3
-5
J3
-6
J4
-1
2
J4
-2
J2
-1
J2-8
J2
-7
J2
-6
J2
-1
0
J3
-1
J3
-4
J4
-1
1
J4
-1
0
J4
-4
J4-9
J4-3
PI
N
5 -
- KSI
ST
AT
U
S
J4
-5
PI
N
9 -
- ST
AT
U
S
J2-9
PIN 18 -- SPEED LIM IT GND
M OTOR, BRUSH
Amps = 22
›
+
›
+
› +
1 2
L2