Solo 546 - Troubleshooting and Fault Resolution; Common Problems and Solutions

Maintenance and Care
ENGLISH 15
7.8 Possible faults and troubleshooting
Problem Possible Cause Solution
Mower runs rough,
vibrates severely
•
Loose screws on engine or fastening screws loose
•
Blade fastening loose
•
Blade not balanced or damaged
•
Overload clutch worn
•
Tighten screws
•
Check blade fastening
•
Balance blade or replace
•
If needed, replace disks (in pairs)
Engine does not
start
•
Is brake lever (1) pushed against handle?
•
Is the throttle lever in the correct position?
(Model 546HR)
•
Is the Bowden cable / the engine brake correctly set?
•
Spark plug or spark plug cap defect
•
Fuel tank empty
•
Push brake lever
•
Select correct setting
•
Check if setting is correct
•
Clean or replace spark plug
•
Refuel
Engine runs
irregular
•
Air filter dirty
•
Gas Bowden cable bent
•
Spark plug sooty
•
Clean or replace air filter
•
Adjust Gas B. cable or replace
•
Replace spark plug
Starter rope back-
fires
•
Blade fastening or overload clutch loose
•
Blade is dull
•
Check blade fastening
Lawn turns yellow,
cutting uneven
•
Cutting set too high
•
RPMs too low
•
RPMs too low
•
Sharpen blade
•
Adjust cutting height
•
Set throttle lever on high
Mower collects
poorly
•
Cutting height set too low when grass is too high
•
Blade worn out
•
Lining of catching device clogged
•
Gear lever not pulled
•
Set throttle lever on high
•
Adjust cutting height
•
Replace blade
•
Clean or replace catching device
Self-propelled drive
wheel does not run
•
Bowden cable bent or obstructed
•
V-belt tension loose
•
Gear lever not released
•
Pull gear lever to handle
•
Adjust Bowden cable
•
Adjust V-belt tension
Drive mower cannot
be pulled
backwards
•
Bowden cable bent or obstructed
•
Drive wheels dirty inside or not lubricated
•
Release gear lever
•
Adjust Bowden cable
•
Clean and lubricate wheels