Electrical Malfunction - Graco A Series Instructions-Parts List Manual

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ELECTRICAL MALFUNCTION
PROBLEM
Unit electrically dead.
~~ ~
Power supply circuit breaker
trips often,
will not stay "on",
Thermal overload protector in
main pump motor trips often.
~
Thermal overload protector trips
often in ei!her or both motors
(pump and oil burner)
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Electrical shock from cabinet
or
spray wand.
-
CAUSE
No power to the machine.
Defective power cord
Defective main on/off
switch.
Faulty or loose wiring.
Defective motors.
Short circuit in washer or elsewhere on the circuit,
Undersized circuit being used, or too much total load
on the circuit.
Supply voltage is low.
Undersized extension cord causing undervoltage
to washer.
Partially or totally clogged spray nozzle overburdens
motor.
Undersized spray nozzle in use.
Supply voltage is low.
Undersized extension cord causing undervoltage to
washer.
Electrical leakage exists and WASHER IS NO1
PROPERLY GROUNDED.
SOLUTION
Check circuit breaker.: Check for defective electrical
outlet.
Repair or replace bad cord.
Test switch(es) and replace if defective.
Check switch and motor wiring for solid connections.
Have motors tested. Repair or replace if defective.
Check washer (and other loads on the same circuit) for
faulty wiring, loose wire, etc.
Put the washer on a larger circuit. or remove other
loads from the existing ,circuit.
voltage and connect washer to adequate voltage
230V units require a minimum of 230V. Check line
supply.
Contact electrician or supplier for size and length.
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water inlet are present and in good, clean condition.
Remove and clean out nozzle. Make sure strainers on
Make sure nozzle size is correct.
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Check line voltage and ensure a minimum
230
volts to
the machine.
Contact electrician or supplier for proper size and
length.
DO NOT USE, FIND PROBLEM OR CONTACT
QUALIFIED ELECTRICIAN. Washer m u s t b e c o m -
pletely grounded
a t
all times! This means a solid
ground connection inside the cabinet and strict use of
properly grounded extension cordsand receptacles.
i
!