Sherwin-Williams ULTIMATE 824-032 - Manual (Page 11)

824-033 11
Troubleshooting
WARNING
INJECTION HAZARD
To reduce the risk of serious injury, whenever you are instructed to relieve pressure, follow the
Pressure Relief Procedure on page 7.
Check everything in the guide before disassembling the sprayer.
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
Building circuit breaker opens Check all electrical wiring for damaged
insulation. Replace any damaged wiring.
Check for other electrical appliances on
circuit. Shutdown other electrical appliances on
circuit.
Check position of 15–20 (Lo–High) amp
switch. Put switch in 15 amp (LO) position.
Sprayer will not run Check pressure control knob setting. Motor
will not run if it is at minimum setting (fully
counterclockwise). Slowly increase pressure setting to see if
motor starts.
Check for a clogged spray tip. Refer to
separate gun or tip instruction manual. Relieve pressure. Refer to separate gun or
tip instruction manual for tip cleaning.
Check extension cord for visible damage.
Use a volt meter or test lamp at extension
cord outlet to check. Replace extension cord.
Check sprayer power supply cord for visible
damage such as broken insulation or wires. Replace power supply cord.
Check electrical supply with volt meter. Meter
should read 105–125 VAC. Reset building circuit breaker; replace
building fuse. Try another outlet.
Check for motor damage. Remove drive
housing assembly. See page 17. Try to rotate
fan by hand. Replace motor (1) if fan won’t turn.
Check for locked motor rotor. Unplug cord
and try to turn fan blades with a screwdriver. Repair gear train or pump, if damaged. Thaw
the sprayer, if frozen; See NOTE 1. Replace
the pressure control, if damaged.
Check for shorted motor. Use ohmmeter to
check for shorts between motor leads or
between motor leads and motor frame. Inspect for damage to motor brush leads.
Replace motor, if necessary.
Defective pressure control transducer. Replace pressure control transducer. See
page 17.
Poor spray pattern Check for worn spray tip. Relieve pressure and then replace the tip.
See the separate gun or tip manual.