User Manual
14
Troubleshooting 
•  Remove the safety key before carrying out maintenance on the machine or when checking that its parts are  
in proper working order.
•  To avoid unnecessary hassles, consult the following table before contacting customer service with any mechanical issues.
Only a company specialist may be able to correct faults that cannot be rectied with the aid of this table. Please call the  
Snow Joe
®
 + Sun Joe
®
 customer service center at 1-866-SNOWJOE (1-866-766-9563).
Mower fails to start
Mower stops while 
mowing
The mower cannot 
cut grass evenly
a)  The safety key is not inserted
b)  The motor/blade control is 
disengaged
c)  The battery is at
d)  The mower deck is clogged with 
grass or debris
e)  The grass is too tall
a)  Insert the safety key
b)  Press safety lock button rst ,then the 
switch lever.
c)  Charge the battery
d)  Clean the mower deck. Make sure the 
blade is free to move
e)  Set the mower to a high cutting 
height. Lift the front wheels slightly by 
pressing down on the handle bar.
a)  The battery is at
b)  The grass is too tall
c)  The mower deck is clogged with 
grass or debris
d)  The machine is overload and 
switched o by the overload 
protection system
a)  Charge the battery
b)  Reset the cutting height
c)  Clean the mower deck. Make sure the 
blade is free to move
d)  Cool down the machine for 5 mins. Wait 
for the overload protection to reset the 
machine
a)  The lawn is rough or uneven
b)  The blade is not sharp enough
a)  Adjust cutting height
b)  Sharpen or replace the blade
Fault Possible Cause Remedy
The mower cannot mulch 
properly
a)  The mower deck is clogged with 
grass or debris
b)  The grass is too wet
c)  The grass is too tall
d)  The blade is not sharp enough
a)  Clean the mower deck. Make sure the 
blade is free to move
b)  Wait until the grass is dry
c)  Adjust the cutting height to the high 
position to mow for the rst time, and 
mow again at the desired height setting
d)  Sharpen or replace the blade
The mower is dicult to push
a)  The grass is too tall to cut
b)  The blade or the mower rear is 
dragged by heavy grass
a)  Adjust cutting height higher
The mower is vibrating at high 
speed
a)  The motor shaft is bent
b)  The blade is unbalanced
c)  The blade screw is loosen 
a)  Stop the motor, remove the safety key, 
and inspect the damage. Call the Snow 
Joe
®
 + Sun Joe
®
 customer service center 
at 1-866-SNOWJOE (1-866-766-9563)
b)  Balance the blade by grinding each 
cutting edge equally or replace a new one
c)  Tighten the blade bolt










