Grillo FD900 4WD - FD900 - Troubleshooting Guide

Translation of the original instructions
FD900 – TROUBLESHOOTING GUIDE
PROBLEM CAUSE SOLUTION
The key is ON but the
dashboard does not turn on
No current from the battery
- Check the connecting eires
- Check the electrolyte level
- Recharge the battery
- Replace the fuse
The dashboard switches on but
with the key ON the starter
motor does not turn
Not enough current coming from
the battery
- Recharge the battery
No consent given to start
- Forward pedals in neutral position
- Operator seated
- Disengage the PTO
Difficult starting or engine
running irregularly
Carburettor problems
- Clean or replace the air filter
- Check there is no air in the fuel ducts
- Purge the fuel supply system
Sediment or dirt in the fuel - Check and replace the fuel filter if necessary
The starter motor turns but the
engine does not start
No diesel flow
- Check fuel level in the tank
- Check and replace the fuel filter if necessary
- Check that the vent hole on the fuel cap is not
blocked
Plugs not warmed up enough
with cold engine
- Wait for the plug warning light to switch off
No consent coming form the timer
- Check all connections
- Replace the timer
The electro-stop does not
complete its stroke
- Check the stroke of the electro-stop
- Replace the electro-stop
Drop in engine performance
while cutting
Speed too high for the grass
height
- Slow down
- Put the cutting deck into a higher cutting position
Engine stops when blades are
engaged
No consent given to blade
engagement
- Check the blades engagement button
- Operator seated
- Close the grass-catcher
Uneven cutting and insufficient
collection
Mower deck not parallel to the
ground
- Check the tyre pressure
- Adjust the mower deck parallel to the ground
Poor blade performance
- Check that the blades are mounted correctly
- Sharpen or replace the blades
- Adjust the PTO belt tension
Speed to high for the grass height
and condition
- Slow down
Load chute blocked
- Remove the mower deck and clean the load chute
- Check the max. engine rev. (3000 r.p.m.)
- Clean the grass-catcher grid
Vibrations while working Unbalanced blades - Balance the blades or replace them if damaged
Loose blade screws
- Check and fasten the blade screws, the engine
screws and the frame screws
- Check the blades of the load accelerator
Engine oil warning light goes
on
Insufficient pressure
- Check the engine oil level and refill if necessary
- Replace the engine oil filter
The engine does not start
- Faulty micro-switch of the
forward pedal
- Faulty seat micro-switch
- Faulty parking brake micro-
switch
- Connect the purple/black wire with the red/white
wire
- Detach the connection behind the seat and
connect the red/white wire with the purple wire
- Connect the red/white wire with the grey wire
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