SNOWJOE SUNJOE MJ24C-14-XR-RM, Operator'S Manual

17

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 a qualified repair person

 with any mechanical 

issues.

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 flat

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 first ,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 flat

b)

  The grass is too tall

c) 

The mower deck is clogged with 

grass or debris

d)

  The machine is overload and 

switched off 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 first time, and 

mow again at the desired height setting

d)  Sharpen or replace the blade

The mower is difficult 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. Cottact with a 

qualified repair person.

b)  Balance the blade by grinding each 

cutting edge equally or replace a new one

c)

  Tighten the blade bolt