John Deere HR-2700GH - Manuel (Page 23)

AC-Series Operator’s Manual-E/F 
Troubleshooting
symptom Problem solution
no discharge at nozzle when Low pressure or no water supply. Ensure hose is 5/8 in. inside diameter
trigger mechanism is squeezed. and incoming water supply is turned
on.
Obstruction in nozzle. Clean or replace nozzle.
Low or fluctuating discharge Inadequate water supply. Use larger I.D. size of hose and
pressure. provide specified inlet water pressure
and volume.
Kink in water inlet hose or in high Remove kink.
pressure discharge hose.
Water inlet screen obstructed. Remove screen, clean or replace.
Pump sucking air. (Pump prime lost.) Tighten all water intake connections.
Eliminate leaks in intake line.
Not in high pressure mode. Install high pressure nozzle.
Obstructed or worn spray nozzle. Remove and clean or replace.
Bypass valve not operating correctly. See your John Deere dealer.
Water flows from nozzle when Gun malfunction. DO NOT USE!! See your John Deere
trigger is released. dealer.
Pump oil is white or milky color. Water in oil. Change oil. Avoid directing water
spray at pump.
detergent will not siphon into Strainer not completely submerged Check, submerge if necessary.
Low Pressure Detergent mode. in solution.
Strainer obstructed. Inspect, clean or replace.
Siphon hose cut, obstructed or Inspect, clean or replace.
kinked.
Not in Low Pressure mode. Install detergent nozzle.
Too many high pressure hose Use only one extension hose
extensions attached to outlet. maximum.
Detergent valve stuck closed. See your John Deere dealer.
Water flows back into detergent Detergent valve jammed, missing See your John Deere dealer.
container. or corroded.
Oil leaking from pump. Pump failed. DO NOT USE!! See your John Deere
dealer.
Water leaks from brass valve Thermal Relief Valve opening to Do not run washer with gun trigger
on pump. protect pump. closed for more than  minutes.
Trigger gun to close valve.