Stiga 2021 Edition PARK 320 P, Руководство по ремонту

Страница: 106 / 124

WORKSHOP MANUAL
PARK
Chapter
9 - ELECTRICAL SYSTEM
EDITION
2020
PAGE
106 /
124
Problem Probable cause Solution
[ ...]
1) With the ignition key in
position « » or « » the
lights remain off.
The battery does not power the
board.
Check the connection cables. –
Check the battery condition. [9.3.1]
Central light: 20 A fuse blown. Replace the fuse (20 A). [9.3.10]
Side lights: 30 A fuse blown. Replace the fuse (30 A). [9.3.10]
Battery terminals crossed. Check connections. –
2) The lights turn on, but with
the key in the START posi-
tion the starter motor does
not start or lacks power
(uncertain starting).
The battery does not supply
enough current.
Charge the battery. [9.3.1]
Uncertain mass of the battery,
or missing battery on the starter
relay or motor.
Check and adjust. –
Starting conditions have not been
met.
Check that all starting conditions
are met.
[2.5.6]
Check all micro switches and their
wiring.
[9.3.2]
Defect in the starter relay (you
can’t hear the “click”).
Replace the starter relay. [9.3.7]
Starter motor failure (you can
hear the “click”).
Replace the starter motor. –
3) The starter motor runs but
the engine does not start.
Lack of fuel supply.
Check the wiring of the carburetor
solenoid valve opening command
–
Check the fuel tap and filter. –
Insufficiency in the ignition sys-
tem.
Check that spark plug cap is se-
curely fitted.
–
Check that the electrodes of the
spark are clean and have the cor-
rect gap.
–
4) The starter motor remains
on after starting and does
not disengage by removing
the key.
Mechanical difficulties in return-
ing the moving contacts of the
starter relay.
Replace the starter relay. [9.3.7]
Irregular operation of the starter
motor due to mechanical or elec-
trical causes that cause greater
absorption and consequent stick-
ing of the relay contacts.
Check the starter motor. –
Repair / replace the starter motor. –
5) The starter motor is al-
ready engaged with the key
in the “ON” position, and is
deactivated only by remov-
ing the key.
Starter block malfunctions. Replace the starter block. [9.3.4]
6) The starter motor does not
run
Insufficiently charged battery Charge the battery. [9.3.1]
Badly connected battery. Check connections [9.3.1]
20A fuse blown Replace the fuse (20 A). [9.3.10]