Champion UH-200, Техническое руководство

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77
7.5 Circuit Board Removal and Replacement (Cont.)
Refer to the General Notes on page 62 before proceeding with the instructions below.
WARNING:
When working on the dishwasher, disconnect the electrical service and place a red tag
at the disconnect switch to indicate work is being done on that circuit.
7.5.4 Time Select (Fill/Chemical Dispenser) Board Removal
and Replacement
Refer to the pictures and instructions given below.
To remove the Fill/Chemical Dispenser board:
Check the POT settings on the defective board. Turn the POTS on the replacement board to
match before installing the new board.
1. Turn power off at the dishwasher and the main power disconnect switch.
2. Open the front door.
3. Remove screws located in each corner of the hood.
4. Pull the slide-out control cabinet out fully.
5. Fold back the protective mylar drip shield.
6. Note location, then carefully disconnect the dispenser cable from the timer control board.
7. Remove the 6-32 retaining nuts.
8. Lift the board up and off the retaining studs.
9. Reinstall the replacement board in reverse order.
NOTE:
Plug-ins on circuit boards are marked with
a number “1”. This marking corresponds
with a red line on the connector cable.
Make sure the “1” and the red line
match when reconnecting a cable to
the circuit board.
Match No. 1 on
plug to red line
on cable
FILL DETERGENT SANITIZER RINSE
AID
9 1
5
6
4
3
7
2 8
0 10
9 1
5
6
4
3
7
2 8
0 10
9 1
5
6
4
3
7
2 8
0 10
9 1
5
6
4
3
7
2 8
0 10
Set POTS on replacement board
to match old board before
installing the replacement.
Part 7: SOLID STATE CIRCUIT BOARDS