John Deere HR-2410GH - Manual (Page 18)

8 Operator's Manual
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SYMPTOM PROBABLE CAUSE REMEDY
Engine will not start. Various engine problems. Refer to the Engine Manual
accompanying your unit.
Unit components are frozen. Allow to thaw. If any part of the unit
becomes frozen; excessive pressure
may build up in the unit which could
cause the unit to burst resulting in
possible serious injury to the operator or
bystanders.
No discharge at nozzle when Inadequate water supply. Ensure hose is 3/4" diameter and
trigger mechanism is squeezed. incoming water supply is turned on.
Kink in water inlet hose. Remove kink.
Low or fluctuating pressure. Kink in high pressure discharge hose. Replace hose.
Water inlet filter obstructed. Remove screen, clean or replace.
Pump sucking air. (Prime eliminated) Tighten all water intake connections
Eliminate leaks in intake line.
Not in high pressure mode. Pull the nozzle cover toward gun.
Obstructed or worn spray nozzle. Remove, clean or replace.
Damaged or obstructed valve assy. Remove, inspect, clean or replace.
on pump.
Pump packings worn. Replace packings.
Unloader valve not operating correctly. Repair or replace.
Oil leaking from unit. DO NOT USE!!!!! Contact Customer Service.
Detergent will not siphon into Detergent strainer is not completely Check, submerge if necessary.
Low Pressure Detergent mode. submerged in detergent solution.
Detergent strainer obstructed. Inspect, clean or replace.
Detergent hose cut, obstructed or Inspect, clean or replace.
kinked.
Not in low pressure mode. Push nozzle cover away from 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 the Gun is malfunctioning. Repair or replace.
trigger gun is locked in the "OFF"
position.