John Deere AC-2500E - Manual (Page 25)

Operator’s Manual 5
Troubleshooting
Symptom Problem Solution
Low or fluctuating pressure. Water inlet screen obstructed. Remove screen, clean or replace.
Pump sucking air. (Prime lost) Tighten all water intake connections.
Eliminate leaks in intake line.
Not in high pressure mode. Pull the nozzle cover toward the gun
to engage in high pressure mode.
Obstructed or worn orifice. Remove and clean, or replace.
Bypass valve not operating correctly. Repair or replace.
Oil appears milky or foamy. Water in oil. Change pump oil. Fill to proper level.
Oil leaking from unit. DO NOT USE!!!!! Contact Customer Service.
detergent will not siphon into low Detergent strainer is not completely Check; submerge if necessary.
Pressure detergent mode. submerged in detergent solution
Detergent strainer is obstructed. Inspect, clean or replace.
Detergent hose is obstructed, cut Inspect, clean or replace.
or kinked.
Not in Low Pressure mode. Push nozzle cover away from the gun.
Nozzle assembly is plugged. Clean or replace.
Too many high pressure hose Use one extension maximum.
extensions attached to the water outlet.
Ball & Spring in Venturi stuck. Remove, clean or replace.
Water flows back into detergent Ball & Spring in Venturi reversed, Remove, clean or replace.
container. missing or corroded.
Water flows from the nozzle when Gun is malfunctioning. Repair or replace.
the trigger gun is in the "Off"
position.