18
Mi-T-M CD-1002/1502-3MUH/3MUH1 Operator's Manual
TROUBLESHOOTING
SYMPTOM
PROBABLE CAUSE
REMEDY
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 blows in
Circuit overload.
Check that the circuit is rated
the fuse box.
correctly. 15 Amp for 1000 PSI, 20
Amps 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.
as listed on pg. 4.
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 Customer Service
Motor runs but there is no discharge
Inadequate water supply.
Ensure hose is 3/4" diameter and
at nozzle when trigger mechanism is
incoming water supply is turned on.
squeezed.
Kink in water inlet hose.
Remove kink.
Kink in high pressure discharge hose. Replace hose.
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.
