12
ERROR CODE 302 APPEARS ON THE DISPLAY
P
P
P
PR
R
R
RO
O
O
OB
B
B
BL
L
L
LE
E
E
EM
M
M
M D
D
D
DE
E
E
ES
S
S
SC
C
C
CR
R
R
RIIIIP
P
P
PT
T
T
TIIIIO
O
O
ON
N
N
N A
A
A
AN
N
N
ND
D
D
D/
/
/
/O
O
O
OR
R
R
R M
M
M
MA
A
A
AC
C
C
CH
H
H
HIIIIN
N
N
NE
E
E
E B
B
B
BE
E
E
EH
H
H
HA
A
A
AV
V
V
VIIIIO
O
O
OU
U
U
UR
R
R
R:
- Probably a breakdown of the main electronic board S
S
S
SK
K
K
K3
3
3
3 has occurred – all
machine functions are blocked
- OR the machine was working downhill at a high speed and the overvoltage
protection of the main electronic board intervened (downhill it is
recommended to use a not too high speed, normally with the help of the
service brake)
IIIIN
N
N
NS
S
S
SP
P
P
PE
E
E
EC
C
C
CT
T
T
TIIIIO
O
O
ON
N
N
NS
S
S
S A
A
A
AN
N
N
ND
D
D
D T
T
T
TR
R
R
RO
O
O
OU
U
U
UB
B
B
BL
L
L
LE
E
E
E S
S
S
SH
H
H
HO
O
O
OO
O
O
OT
T
T
TIIIIN
N
N
NG
G
G
G:
a
a
a
a)))) Before replacing the electronic board S
S
S
SK
K
K
K3
3
3
3 proceed in the following way:
- Reset the microprocessor controller by turning the machine off, wait 5
seconds and then turn the machine on again;
- If code 3
3
3
30
0
0
02
2
2
2 does NOT disappear, check 100 A fuse F
F
F
F1
1
1
1 on the main
electronic board S
S
S
SK
K
K
K3
3
3
3
- Check coil and coil wiring of solenoid contactor T
T
T
TL
L
L
L1
1
1
1 (cold coil resistance is
about 70 Ohm; the resistance value can increase by 10-15 Ohm when the
coil is warm)
b
b
b
b)))) If fuse F
F
F
F1
1
1
1 and contactor T
T
T
TL
L
L
L1
1
1
1 are in order, check the functioning and the
efficiency of the drive motor M
M
M
M5
5
5
5: in fact the failure of the electronic board
S
S
S
SK
K
K
K3
3
3
3 could have been caused by a previous breakdown of motor M
M
M
M5
5
5
5; check
M
M
M
M5
5
5
5 functioning according to Drawing 1 and to Table 5.1-1 (electric motors
current draw specifications – Section 5); repair or replace M
M
M
M5
5
5
5 if needed
c
c
c
c)))) Replace the electronic board S
S
S
SK
K
K
K3
3
3
3
W
W
W
WA
A
A
AR
R
R
RN
N
N
NIIIIN
N
N
NG
G
G
G
- during test the motor must be disconnected from the
electronic board
- during test the battery must be disconnected from the
machine
- use a protection fuse to prevent accident in the event
that the motor be failed in short circuit
Drawing.1
Содержание SR 1100 P/B
Страница 1: ...SR 1100 P B SR 5110 P B S30N1100 1 2002 01 MANUALE DI ASSISTENZA SERVICE MANUAL ...
Страница 13: ...SERVICEMANUAL GENERAL INFORMATION GB S30N1100 1 2002 01 75 MACHINE NOMENCLATURE CONTINUE S300075 ...
Страница 21: ...SERVICEMANUAL SWEEPING SYSTEM GB S30N1100 1 2002 01 83 Figure 12 S300160 ...
Страница 55: ...SERVICEMANUAL ELECTRICAL SYSTEM GB S30N1100 1 2002 01 117 Figure 4 S300146 ...
Страница 57: ...SERVICEMANUAL ELECTRICAL SYSTEM GB S30N1100 1 2002 01 119 Figure 5 S300146 ...
Страница 69: ......
