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26 Operator’s Manual
Troubleshooting
Symptom Problem Solution
Low Nozzle Pressure. Unit not properly primed. Prime unit.
Insufficient inlet water supply. Check water supply requirements.
(See Service Section.)
Partially plugged water inlet screen. Clean inlet screen. (See Service
Section.)
Kink in water inlet hose. Remove kink.
Nozzle set for low pressure. Slide wand collar rearward.
Worn nozzle. Replace nozzle.
Worn pump components. See your John Deere dealer.
Unloader valve recirculating. See your John Deere dealer.
No Pressure or Fluid at Nozzle. Unit not properly primed. Prime unit.
Plugged water inlet screen. Clean or replace inlet screen.
Kink in water inlet hose. Remove kink.
Closed water supply. Turn on water supply. Check supply
hose for leaks or blockage.
Plugged nozzle. Inspect and clean or replace nozzle.
Unloader valve recirculating. See your John Deere dealer.
Pump Surges or Fluctuates, Pump unit not properly primed. Prime pump.
Giving Low Nozzle Pressure.
Insufficient inlet water supply. Check water supply requirements.
Plugged nozzle. Inspect and clean or replace nozzle.
Internal pump problem. See your John Deere dealer.
Unloader valve recirculating. See your John Deere dealer.
Air in system (after priming). See your John Deere dealer.
Motor Will Not Come On When No power at receptacle. Check electrical power fuse or circuit
Switch is Pressed. breaker.
Motor overload protector (on/off) Allow motor to cool and try again.
switch) tripped. Check voltage requirements. Contact
your John Deere dealer if condition
persists.
Switch malfunction. See your John Deere dealer.
Faulty motor. See your John Deere dealer.