Troubleshooting - Mi-T-M Corporation JP Serie Operación Manual

SYMPTOM
Pump motor will not start, or stops
while operating.
Circuit breaker trips or fuse blows in the
GFCI trips.
Motor runs but there is no discharge
at nozzle when trigger mechanism is
squeezed.
Low or fluctuating pressure.
20

TROUbLESHOOTING

PROBABLE CAUSE
GFCI tripped.
Loose or disconnected plug.
Circuit overload. Tripped circuit breaker
or fuse blown in circuit fuse box.
Tripped circuit breaker in unit.
Motor overload.
Unit is frozen.
Circuit overload.
Extension cord is too long or wire
is too small.
Too much pressure.
Incorrect voltage.
Electrical short to ground.
Water supply is not turned on.
Kink in water inlet hose.
Kink in high pressure discharge hose.
Water inlet screen obstructed.
Pump sucking air. (Prime lost)
Not in high pressure mode.
Obstructed or worn orifice.
Damaged or obstructed valve assembly
on pump.
Pump packings worn.
Unloader valve not operating correctly.
REMEDY
Turn unit "OFF". Test GFCI by
pressing reset button.
Reconnect plug.
Disconnect all other plugs on the
circuit being used and reset circuit
breaker OR check and replace fuse.
Allow to cool and restart unit.
Reset thermal overload button on
pump motor or inside electrical control
panel.
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.
Ensure electrical supply is identical
to the specifications listed on the
pressure washer data plate.
Disconnect all plugs on the circuit.
When connecting to a circuit protected
by fuses, use time delay fuses only.
Electrical requirements on extension
cord should comply with the
specifications listed on the pressure
washer data plate.
Use Adjusting Knob on Unloader to
reduce pressure.
Ensure electrical supply is identical
to the specifications listed on the
pressure washer data plate.
Contact Customer Service
Turn water supply completely on.
Remove kink.
Replace hose.
Remove screen, clean or replace.
Tighten all water intake connections.
Eliminate leaks in intake line.
Insert high pressure nozzle.
Remove and clean, or replace.
Remove, clean or replace.
Replace packings.
Repair or replace.
Mi-T-M JP-Electric Operator's Manual