Powersmart PS2020, Instruction Manual, Page: 15 / 19

15
SCHEMATIC DRAWING
TROUBLE SHOOTING
WARNING: Read instruction manual first! Remove plug from power source before making
adjustments or assembling accessories.
Problem Possible Cause Possible Solution
Appliance is not running
1.Machine not plugged in
2.Defective socket
3.Defective extension cable
4.Incorrect mains voltage
5.Switch off
6.Fuse has blown 1.Plug in machine
2.Try another socket
3.Try another extension cable
4.Check voltage correctly
5.Turn on switch
6.Replace fuse
Pump stop working
Lack of water lead to high
temperature
Check water flow quantity
Fluctuating pressure
1.Spray lance blocked
2.Pump is sucking air
3.Impurities in pump
1.Clean lance with needle
2.Check that hoses and connections
are airtight
3.Contact the dealer
Appliance does not reach
operation pressure
1.Spray lance blocked or
worn
2.Short supply of water
3.Hose kinked
4.Filter blocked
5.Hose blocked
1.Clean or change spray lance
2.Check inlet flow rate
3.Straighten out hose
4.Clean filter
5.Clean hose
Trigger gun can be used Trigger gun is locked Unlock trigger gun safety
Machine often starts and
stops by itself
1.Safety valve worn out
2.Pump,high pressure hose,
trigger gun is leaking
Call 800-791-9458
Fig.16