Honda Excell XR2600 Pressure Problem? Hi, I borrow a Honda water pressure gadget whic worked perfectly during...

Hi, I borrow a Honda water pressure gadget whic worked perfectly during the complete sunshine. Next it starts up but I have no pressure at the pistol. Nothing seem to be leaking, at hand is water surrounded by hose. When i press the trigger water comes out but lacking any pressure at all.
If near is a accident that by operating...
Answers:    How frail is the unit? If it is outmoded then it probably is basically worn out.