Repair
User Interface
Removal
1.Close main air shutoff valve on air supply line and on unit.
2.Remove side panels (21).
3.Remove fasteners (45). Gently pull user interface (11) away from pneumatic control (10).
21 | 10 | |
315 | ||
|
45
11
TI4901a
FIG. 1
4.To completely remove user interface (11), discon- nect ground wire (315), and wires (416 and 406) from main control board (301). See Electrical Schematic, page 22.
Software Upgrades
CAUTION
To avoid damaging circuit board, wear a grounding strap.
1.Remove User Interface cover. See above.
2.Use a chip remover (D) to remove software chip (C). FIG. 2.
C
D
FIG. 2
3.Install new chip (beveled corner down).
4.Reassemble.
5.Recalibrate main circuit board. See ProMix Easy Operation Manual.
16 | 309909H |
