Operation Manual

EN 50 TROUBLESHOOTING
7. TROUBLESHOOTING
PROBLEM LIKELY CAUSE SOLUTION
1. With the key at
«ON» the dashboard
remains off with no
audible signal.
2. With the key at
«ON» the dashboard
remains off, but there
is an audible signal.
3. With the key on
«START» the dash-
board comes on but
the starter motor does
not runa
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. Weak engine per-
formance during cut-
ting
The protection of the electronic card has
cut in due to:
– badly connected battery
– battery terminals crossed
– completely flat battery or eroded bat-
tery plates
– fuse blown
– bad earthing to the engine or the frame
The protection of the electronic card has
cut in due to:
– electronic card wet
– earthed micro-switches
– insufficiently charged battery
– badly earthed starter motor
– you are not ready for starting (☛ 5.2)
– insufficiently charged battery
– faulty fuel supply
– faulty ignition
– fault in carburation
– forward speed too high in relation to
cutting height (☛ 5.4.5)
Put the key in the «OFF» position and
look for the cause of the problem:
– check connections (☛ 3.4)
– check connections (☛ 3.4)
– recharge battery (☛ 6.2.5)
– replace fuse (6.3 A - delayed)
(☛ 6.4.4)
– check connections of black earth leads
Put the key in the «OFF» position and
look for the cause of the problem:
– dry using tepid air
– check connections
– recharge the battery (☛ 6.2.5)
– check earth connections
– disengage the blades (if the problem
continues, check the relevant micro-
switch)
– put the transmission in neutral (N)
– recharge the battery (☛ 6.2.5)
– check the level in the tank (☛ 5.3.3)
– check the wiring of the fuel open com-
mand
– check fuel filter
– check that spark plug caps are firmly
fitted
– check that the electrodes are clean
and have the correct gap
– clean or replace the air filter
– flush out the float chamber
– empty fuel tank and refill with fresh
fuel
– check and, if necessary, replace fuel
filter
– reduce the forward speed and/or raise
the cutting deck