Graco 309518P Washer User Manual


 
Repair
309518P 19
Recalibrate Circuit Board
Follow this procedure whenever the main circuit board,
software, or sensor is replaced, or when Alarm 8 occurs
(refer to page 15).
1. Note calibration value on pump A sensor. Refer to
F
IG. 23, page 27.
2. Open main air valve to start unit.
3. Turn knob to pump A . F
IG. 12. Hold down
Stop button about 5 seconds. The default cali-
bration (number between 85000 - 95000) displays.
4. Use key (X) to change default to calibration value
noted previously.
5. Note calibration value on pump B sensor.
6. Turn knob to pump B . Hold down Stop
button about 5 seconds. The default calibration dis-
plays.
7. Use key (X) to change default to calibration value
noted previously.
F
IG. 12
If data download is used, set date and time after
calibrating, using Xtreme Mix software.
A
B
I
O
PSI
Bar
MPa
PSI
Bar
MPa
BA
B
A
0
A or B
X