Troubleshooting
8
312496H
Troubleshooting
Type of Problem
What to Check
(if check is OK, go to next)
What to Do
(When check is not OK, refer to this
column)
Basic fluid pressure problems
Pressure control knob setting. Motor
will not run if at minimum setting (fully
counter-clockwise).
Slowly increase pressure to see if
motor starts.
Spray tip or fluid filter may be
clogged.
Relieve pressure
, page 6 and clear
clog, or clean filter; refer to separate
gun or tip instruction manual.
Basic Mechanical Problems
Pump frozen or paint hardened in
pump.
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
13,
Displacement Pump Replace-
ment.
Displacement pump connecting rod
pin must be completely pushed into
connecting rod and retaining spring
must be firmly in groove of pump pin.
See page 13.
Push pin into place and secure with
spring retainer.
Motor. Remove drive housing assem-
bly. See page 15. Try to rotate fan by
hand.
Replace motor if fan won’t turn. See
page 17.
Motor control board. Board shuts
down and displays error code.
See
Motor Control Board Diagnos-
tics
, page 22.
Basic Electrical Problems
Electric supply. Meter must read:
•
210-255 VAC for 220-240V
models
•
85-130 VAC for 100-120V
models.
Reset building circuit breaker.
Replace building fuse. Try another
outlet.
Extension cord. Check extension
cord continuity with volt meter.
Replace extension cord.
Sprayer power supply cord. Inspect
for damage such as insulation or
wires.
Replace power supply cord, page 25.
Motor leads are securely fastened
and properly mated.
Replace loose terminals; crimp to
leads. Be sure terminals are firmly
connected.
Clean circuit board terminals.
Securely reconnect leads.
Summary of Contents for ASM M2300 Plus
Page 27: ...Notes 312496H 27 Notes ...
Page 33: ...Notes 312496H 33 Notes ...