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24 Operator’s Manual
Troubleshooting
Symptom Problem Solution
Pump motor will not start, or stops GFCI tripped. Turn unit "OFF". Test GFCI by
while operating. pressing reset button.
Tripped circuit breaker or fuse Disconnect all other plugs on the
blown in circuit fuse box. circuit being used and reset circuit
breaker OR check and replace fuse.
Loose or disconnected plug. Reconnect plug.
Tripped circuit breaker in unit. Allow to cool and restart unit.
Unit is 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.
Circuit breaker trips or fuse Circuit overload. Check that the circuit is rated
blows in the fuse box. correctly.
120 V/15 A/60 Hz for 1000 PSI
120 V/20 A/60 Hz for 1500 PSI
Disconnect all plugs on the circuit.
When connecting to a circuit
protected by fuses, use time delay
fuses only.
Extension cord is too long or wire Use correct electrical requirements.
is too small.
Too much pressure. Use Adjusting Knob on Unloader to
reduce pressure.
GFCI trips. Incorrect voltage. Ensure electrical supply is
120 V/15 A/60 Hz for 1000 PSI
120 V/20 A/60 Hz for 1500 PSI
Electrical short to ground. Contact your John Deere dealer.
Motor runs but there is no Inadequate water supply. Ensure hose is 3/4" diameter and
discharge at nozzle when trigger incoming water supply is turned on.
mechanism is squeezed.
Kink in water inlet hose. Remove kink.
Kink in high pressure discharge hose. Replace hose.
Water is leaking from
Thermal Water inlet temperature is too high. Incoming water temperature must be
Relief Valve. less than 140°F.
Water temperature in unit is too high. Do not allow unit to operate in
bypass mode (with the trigger gun
closed) for more than three minutes.
Defective valve. Replace.