Troubleshooting - Makita PTM0900 Operator's Manual

38
EN

7. TROUBLESHOOTING

PROBLEM
1. When the key is
turned to "RUN", the
indicator light or the
control panel remain
switched off
2. With the key on
«START» the light
flashes and the
starter motor does
not run
3. With the key is
turned to "START"
the light or the con-
trol panel come on,
but the starter motor
is not activated
4. With the key on
«START», the starter
motor runs but the
engine does not start
5. Starting is difficult
or the engine runs
erratically
6. Poor engine per-
formance during cut-
ting
LIKELY CAUSE
The safety device of the electronic cir-
cuit board has cut in due to:
– badly connected battery
– battery terminals crossed
– completely flat battery or eroded bat-
tery plates
– fuse blown
– electronic circuit board wet
– conditions are not met to allow start-
ing
– insufficiently charged battery
– malfunction on the starter relay
– insufficiently charged battery
– faulty fuel supply
– faulty ignition
– fault in carburation
– forward speed too high compared to
cutting height (
SOLUTION
Turn the key to «STOP» and look for
the cause of the problem:
– check connections (
– check connections (
– recharge the battery (
– replace the fuse (10 A) (
– dry using tepid air
– check that the conditions allowing
– recharge the battery (
– contact Your Dealer
– recharge the battery (
– check the level in the tank
– open the fuel stopcock (
– check the fuel filter
– check that spark plug cap is secure-
– check that the electrodes are clean
– clean or replace the air filter
– empty the fuel tank and refill with
– check and replace the fuel filter if
– reduce the forward speed and/or
5.4.5)
TROUBLESHOOTING
starting are met ( 5.2.a)
( 5.3.3)
sent) ( 5.4.1)
ly fitted
and have the correct gap
fresh fuel
necessary
raise the cutting deck
3.4)
3.4)
6.2.4)
6.4.4)
6.2.4)
6.2.4)
if pre-