Graco 257100, Операция

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Troubleshooting
3A0245A 25
Unit Will Not Run
(See following page for steps)
Turn unit ON.
Error Code
Displayed See Error Code
section for further
troubleshooting
Connect a test
transducer to the
board. Does the
motor run?
Replace
potentiometer.
See Step 3. Is the
proper reading
present through the
thermal switch
wires?
Replace the
ON/OFF switch.
See step 4. Does
the motor run?
See Step 1. Do
you have over
100 AC volts (200
for 230V units)?
See Step 2. Do
you have over
100 AC volts (200
AC volts for 230V
units?
Repair or
replace
power cord.
If motor is hot, let cool and
retest. If Step 4 still shows
incorrect resistance, replace
motor. The motor has
a defective thermal device.
Replace the
control board.
YES
YES
YES
NO
NO
NO
NO
YES YES
NO
Replace the
transducer.