ST. SpA MP 84 Série Manuel D'utilisation page 103

PROBLEM
4. With the key turned to
«START» the starter
motor does not run
(for side discharge
models only)
5. With the key on
«START» the starter
motor runs but the
engine does not start
6. Starting is difficult or the
engine runs erratically
7. Weak engine
performance
during cutting
8. The engine shuts
down whilst working
9. The engine stops whilst
operating and the
indicator light switches
off (for rear collection
models only)
10. The cutting means do
not engage or do not
stop promptly when
they are disengaged
If problems persist after having performed the above operations, contact your dealer.
PROBABLE CAUSE
starting conditions have not been met
badly connected battery
battery terminals crossed
flat battery
fuse blown
wet circuit board
malfunction on the starter relay
insufficiently charged battery
faulty fuel supply
faulty ignition
carburation problems
forward speed too high in
relation to cutting height
the safety devices have cut in
blown fuse due to a short circuit
or electrical system faults (for
side discharge models only)
The safety device of the electronic
circuit board has cut in due to:
battery terminals crossed
faults in the battery charging regulator
short circuit
problems with engagement mechanism contact your Dealer
Turn the ignition key to «STOP» position
and look for the cause of the problem:
check that all starting conditions are met
(par. 6.2.2)
check the connections (par. 4.4)
check the connections (par. 4.4)
recharge the battery (par. 7.5)
replace fuse (10 A) (par. 8.5).
dry using luke warm air
contact your Dealer
recharge the battery (par. 7.5)
check the level in the tank (par. 7.2.1)
open the fuel stopcock (if
foreseen) (par. 6.4)
check the fuel filter
check that spark plug cap is securely fitted
check that the electrodes are clean
and have the correct gap
clean or replace the air filter
empty the fuel tank and refill with fresh fuel
check and replace the fuel filter if necessary
reduce the forward speed and/or
raise the cutting height (par. 6.5.4)
check that all starting conditions
are met (par. 6.2.2)
The cause of the fault should be
ascertained and dealt with to avoid
reactivating the protection device
Replace the fuse (10 A) (par. 8.5).
Contact your Dealer if such
interruptions continue
Turn the ignition key to «STOP», wait
for a couple of seconds to allow the
circuit to reset automatically and:
check the connections (par. 4.4)
check the battery connections (par. 4.4)
check the battery is fitted
contact your Dealer
EN - 23
REMEDY