User Manual
15
Troubleshooting
• Disconnect the unit from the electrical power supply 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.
 Problems   Possible Cause   Possible Solution
Machine refuses 
to start
•  Power failure/machine not 
plugged into a working receptacle.
•  Defective socket.
•  Fuse has blown.
•  Defective extension cord.
•  Check to make sure machine is plugged into 
a working outlet.
•  Check the power cord and reset the GFCI. 
Try a dierent outlet.
•  Replace fuse. Switch o any other machines 
that are using the same circuit.
•  Try the unit without an extension cord.
•  Check the hoses and connections are airtight.
•  Clean or replace valves/seals.
•  Please call the Snow Joe
®
 + Sun Joe
®
 customer 
service center at 1-866-SNOWJOE (1-866-766-9563) 
for assistance.
•  Replace fuse. Switch o other machines using  
the same circuit.
•  Check that the mains voltage corresponds to 
specication on the model tag.
•  Leave the washer for 5 minutes to cool down. 
•  Clean the nozzle.
•  Install a fuse with a higher amp rating than the 
amp consumption of the machine. Try the unit 
without an extension cord.
•  Allow machine to run by holding the trigger until  
regular working pressure resumes.
•  Check that the water supply corresponds to the 
specications required.
•  WARNING! Avoid using long, thin hoses 
(minimum 1/2 in. diameter).
•  Clean the nozzle.
•  Clean the water inlet lter.
•  Straighten out the hose to remove any kinks/blockages.
•  Please call Snow Joe
®
 + Sun Joe
®
 customer service 
center at 1-866-SNOWJOE (1-866-766-9563) for 
assistance.
•  Wait for pump/hoses or accessories to thaw.
•  Connect inlet water.
•  Clean the water inlet lter.
•  Clean the nozzle.
•  Pump sucking air.
•  Valves dirty, worn out, or stuck.
•  Pump seals worn out.
•  Fuse has blown.
•  Incorrect mains voltage.
•  Thermal sensor activated.
•  Nozzle partially blocked.
•  Fuse too small.
•  Air in inlet hose.
•  Inadequate supply of mains water.
•  Nozzle partially blocked.
•  Water lter blocked.
•  Hose kinked.
•  Pump/spray gun is leaking.
•  Trigger mechanism is broken.
•  Pump/hoses or accessories frozen.
•  No water supply.
•  Water inlet lter blocked.
•  Nozzle blocked.
Fluctuating pressure
Machine stops
Fuse blows
Machine pulsating
Machine often starts 
and stops by itself
Machine starts, but 
no water comes out










