Husqvarna Rider ProFlex 21 II Workshop Manual page 87

For Husqvarna Parts Call 606-678-9623 or 606-561-4983
Discharged battery
Starter does not turn engine
Start relay no contact
over
Starter and/or cable
connection defective
Extremely burnt electrodes
Defective connection to
ignition cable
Spark plug not sparking
Short circuit in spark plug
Spark plug electrode
defective
Fuel tank empty
Fuel stop valve not opening
Faulty fuel supply No fuel to carburettor
No fuel from carburettor
(Spark plug dry)
Charge the battery
Replace the battery
No current to relay
Relay faulty
Replace relay
Check connections
Replace starter if
necessary
Adjust electrode gap or
replace spark plug
Replace spark plug cover
Replace spark plug
Replace spark plug
electrode
Fill with fuel
No current to valve or
magnetic valve defective
Channel from fuel stop valve
blocked
Fuel filter blocked
Tank ventilator blocked
Fuel pump not working
Fuel hoses blocked or
constricted
Needles and diffuser jets
blocked
www.mymowerparts.com
Poor contacts on the battery Clean and apply copper-
based lubricant
terminals
Replace fuse
Blown fuse
Localise cause of fault
Clean, apply copper-based
Poor or no earth contact
lubricant
Check cable connections
Broken ignition lock
or replace switch
Microswitch for cutting unit's
Check cable connections
lifting lever defective or in
or replace switch
wrong position
Adjust setting
Microswitch under seat
Check cable connections
defective or replace switch
Check cable connections
Microswitch on gear stick or
or replace switch
hydraulic pedal defective or
Adjust setting
in wrong position (neutral
position)
Check cable connection or
replace valve
Clean channel with
compressed air
Change filter
Clean or replace fuel cap
Pump diaphragm broken
Replace diaphragm
Blow channel clear with
Impulse channel blocked
compressed air
Clean or replace fuel hoses
Clean carburettor with
compressed air