Graco Pro 230ES, Руководство по ремонту и запасным частям

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Troubleshooting
3A2817A 11
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 set-
ting (fully counter-clockwise). Slowly increase pressure to see if
motor starts.
Spray tip or fluid filter may be
clogged.‘ Relieve pressure , page 9 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 hard-
ened (dried) in sprayer, replace
pump packings. See page 17,
Dis-
placement Pump Replacement.
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 17,
Displacement
Pump Replacement.
Push pin into place and secure with
spring retainer.
Motor. Remove drive housing
assembly. See
Drive Housing
Replacement , page 20.
Replace motor if fan won’t turn. See
Fan Replacement , page 23.
Motor control board. Board shuts
down and displays error code. See Motor Control Board diag-
nostics , page 30.
Basic Electrical Problems Electric supply. Meter must read
85-130 VAC fro 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. See
ON/OFF Switch/Power Cord
Board Kit
, page 27.
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.