Whirlpool MH1150XMQ Tech Sheet page 6

PAGE 6
TOUCH PANEL CONTINUITY DIAGRAM
Example of use:
When "Cook Time" is
selected, a resistance of
less than 200 ohms will be
observed between 3 and 11
on the flex circuit connector.
See diagram at right.
14 PIN FLEX CIRCUIT
CONNECTOR
TOUCH PANEL AND MICROCOMPUTER BOARD TEST
The microwave hood combination is provided
with a self-diagnostic routine that can be
accessed through the touch key pad. To
initiate this routine:
1. Depress the
CANCEL•OFF
opening the door and while still depressing
the
CANCEL•OFF
microwave oven for two seconds and plug it
back in.
KEY TABLE FOR TEST MODE
Key Name
Popcorn
Baked Potato
Pizza
Beverage
Frozen Entree
Reheat
Cook
Defrost
Cook Time
Cook Power
Add Minute
1 4901 (Cavity Light/Door)
2 4911 (Hood Light)
3
4
5
6
4901 (Cavity Light/Door)
PART NO. 8184997/4619-651-98301
PIN
NO.
1
2
3
4
5
6
CLOCK
7
START
8
ESD GROUND PLANE
14
button while
button, unplug the
In Circuit Relay
-
-
-
-
-
-
-
-
-
-
-
4903 (MW)
-
-
4906 (Turntable)
9 10
6 0
5
1
ADD
MINUTE
COOK
POPCORN
TURNTABLE
ON•NIGHT•OFF
2. Release the
close the door.
3. Now, by pressing each button on the
control panel, the number 8 will appear in
the display to indicate that the circuits are
complete and all relays are working.
NOTE: If the
during this diagnostic routine, you will exit the
test mode.
Digit* Key Name
1
1
3
3 Timer
Set•Off
5
5
Clock
1
Warm Hold
3
Start
1
Turntable
3
On•Off
5
Light
1
On•Night•Off
3
Vent Fan
High•Low•Off
5
1
Cancel•Off
3
* The No. 8 will appear in the display position
5
indicated in the table.
FOR SERVICE TECHNICIAN'S USE ONLY
TECH SHEET - DO NOT DISCARD
11
7
2
COOK COOK
TIME POWER
REHEAT
FROZEN
BEVERAGE
ENTREE
BAKED
POTATO
TIMER
ON•OFF SET•OFF
VENT FAN
LIGHT
HIGH•LOW•OFF
CANCEL•OFF
CANCEL•OFF
In Circuit Relay
7
8 4912 (Night Light)
9 4909 (Fan High/Low)
0 4910 (Fan On/Off)
Buzzer
12 13
8 9
3
4
WARM
HOLD
DEFROST
PIZZA
CANCEL•OFF
button and then
button is pressed
Digit*
- 1
3
5
- 5
3
1
- 5
- 1
- 3
- 4
- 2
See
-
Text