09
10
Troubleshooting
Electrical circuit diagram
Emergency stop switch
FU2
20A
Key switch
F
U
1 3
0
0
A
B
+
B
-
2
4
V b
a
tt
e
ry u
n
it
M
B
a
tt
e
ry i
n
d
ic
a
to
r
M
5
Oil leakage
Seals damaged
Replace the damaged
seals with new seals
6
The forks
descended without
operation
Impurities in the oil cause
the valve to be unable to
close tightly
Seals damaged
The relief valve of the
hydraulic pump station is
damaged.
7
Battery cannot be
charged
Battery damage
Charging plug becomes
loose
Charger damage
Change hydraulic oil
Replace the damaged
seals with new seals
Replace the relief valve
of the hydraulic pump
station
Replace the battery
Tighten the plug
Repair or replace it
S10/15 Series Semi-electric Pallet Stackers