5309710
Grounding
WARNING
Improper installation or alteration of grounding plug
results in risk of electric shock, fire or explosion
that could cause serious injury or death.
1. 220–240 Vac models require a 50 Hz, 10A circuit
with a grounding receptacle. 100–120 Vac models
require a 50/60 Hz, 15A circuit with a grounding
receptacle. See Fig. 1.
2. Do not alter ground prong or use adapter.
Fig. 1
Grounding Plug
Grounded
Outlets
240 Vac model shown
3. 120 Vac: A 12 AWG, 3 wires with grounding prong,
300 ft (90 m) extension cord may be used.
220–240 Vac: You may use a 3-wire, 1.0 mm (12
AWG) (minimum) extension cord up to 90 m long.
Long lengths reduce sprayer performance.
Troubleshooting
Relieve pressure; page 4.
MOTOR WON’T OPERATE
TYPE OF PROBLEM
WHAT TO CHECK
If check is OK, go to next check
WHAT TO DO
When check is not OK refer to this column
Basic Fluid Pressure
Problems
1. Pressure control knob setting. Motor will not run
if at minimum setting (fully counterclockwise).
1. Slowly increase pressure setting to see if mo-
tor starts.
2. Spray tip or fluid filter may be clogged. 2. Relieve pressure and clear clog or clean fil-
ter; refer to separate gun or tip instruction
manual.
Basic Mechanical
Problems
1. Pump (13) for frozen or hardened paint. 1. Thaw sprayer if water or water-based paint
has frozen in sprayer. Place sprayer in warm
area to thaw. Do not start sprayer until
thawed completely. If paint hardened (dried)
in sprayer, replace pump packings. See
page 21 (Displacement Pump Replace-
ment).
2. Displacement pump connecting rod pin (9a).
Pin must be completely pushed into connecting
rod (9) and retaining spring (9b) must be firmly
in groove of pump pin. See Fig. 10.
2. Push pin into place and secure with spring re-
tainer.
3. Motor (1). Remove drive housing assembly
(10). See page 19. Try to rotate fan by hand.
3. Replace motor (1) if fan won’t turn. See page
20.
Basic Electrical Problems
1. Motor control board. Board shuts down and dis-
plays error code.
1. See Motor Control Board Diagnostics,
page 16.
2. Electrical supply. Meter must read:
210–255 Vac for 220–240 Vac models.
85–130 Vac for 100–120 Vac models.
2. Reset building circuit breaker; replace build-
ing fuse. Try another outlet.
3. Extension cord. Check extension cord continu-
ity with volt meter.
3. Replace extension cord.
4. Sprayer power supply cord (79). Inspect for
damage such as broken insulation or wires.
4. Replace power supply cord.
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