Labconco SteamScrubbe & FlaskScrubbe Glassware Washers 44204 Series - Manual (Page 47)

Labconco Glassware Washer Service/Technical Manual
41
Replacing the PC Board
1. Remove the Control Module from Control Panel.
2. Remove the four screws holding the display panel onto the Control
Module.
3. Pull the Display Panel to disconnect the pins from the PC Board and
remove it.
4. Disconnect the pin connector of the button pad from the PC Board.
5. Disconnect the pin connector of the ribbon cable that runs up the
door.
6. Remove the five (5) screws that hold the PC Board to the Control
Module and remove the PC Board.
7. Remove the new PC Board from its Anti-Static Packaging.
(IT IS HIGHLY
RECOMMENDED THAT YOU USE A GROUNDING BRACELET TO PROTECT THE CIRCUITRY
OF THE BOARD)
8. Place the PC Board over the mounting pegs and secure it with the five
screws.
9. Attach the pin connector of the ribbon cable; be sure to get all pegs
in the right place.
10. Attach the pin connect of the button pad to the PCB; again, be sure
all pins are in their proper spot.
11. Fit the Display Panel over the PCB placing the long pins in their
spots.
12. Secure the Display Panel with the mounting screws.
13. Place the Display Module into its housing and secure it with the six
mounting screws.
PC Board System Set UP
The Washer control system has been set at the factory to agree with the
configuration of the washer as it was shipped. The control may be customized
or modified if certain optional accessories are added.
1. Access the SET UP Menu as described in Section I.
2. The display will show the SET UP screen.
3. The > on the left side will highlight VOLTAGE.
4. Press the ◄ or ► buttons to select the correct operating voltage of the
washer.
Figure 15
Left: PC Board with Ribbon
Cable. The Yellow Circles
highlight the five PC Board
Mounting Screws. Below the
far left screw you can see
where the Ribbon Cable
connects to the board.
NOTE: It his HIGHLY
recommended that when
changing any Printed Circuit
Board that a Grounding
Bracelet is worn to protect the
circuitry of the equipment.
NOTE: Be careful not to over-
torque the screws as it can
crack the plastic backing of the
PC Board.