Whirlpool MH2175XSB Service Guide - Page 46

Touch Panel And Electronic Control Test

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Touch Panel and Electronic Control Test Touch Panel and Electronic Control Test The microwave hood combination is provided with a self-diagnostic routine that can be accessed through the touch keypad. To initiate this routine: 1. Press and hold the OFF/CANCEL button while opening the door. While still holding the OFF/CANCEL button, unplug the microwave oven for 2 seconds, then plug it back in. 2. Release the OFF/CANCEL button and close the door. All VFD segments will be lit to indicate the test mode has been entered. NOTE: If the OFF/CANCEL button is pressed during this diagnostic routine, you will exit the test mode. Key Tables for Test Mode Key Name Function Start - Light Hi/Lo/Off - Hood Exhaust Fan (HF) Hi/Med/Lo/ - Off Turntable On/Off - Clock - Timer Set/Off - Add 30 Sec - Cook Time - Cook Power - Warm Hold - Cook - Reheat - Defrost - Frozen Entrée - Beverage - Popcorn - Baked Potato - Frozen Vegetable - Fresh Vegetable - Display Key 1 Key 3 Buzzer 1 beep 1 beep Key 4 1 beep Key 5 Key 6 Key 7 Key 9 Key 10 Key 11 Key 12 Key 13 Key 14 Key 15 Key 16 Key 17 Key 18 Key 19 Key 21 Key 22 1 beep 1 beep 1 beep 1 beep 1 beep 1 beep 1 beep 1 beep 1 beep 1 beep 1 beep 1 beep 1 beep 1 beep 1 beep 1 beep Key Name 0 1 2 3 4 5 6 7 8 9 Off/Cancel (to lock hold, hold for 3 seconds) Function Display Buzzer - Key 32 1 beep Cavity Light On-Relay 4901 Key 33 1 beep Cooktop Light On (High)- Relay 4911 Key 34 1 beep Microwave Oven On for 10 Seconds- Relay 4903 Key 35 1 beep - Key 36 1 beep - Key 37 1 beep Cavity Light & Turntable On- Relay 4901 &4906 Key 38 1 beep - Key 39 1 beep Cooktop Light On (Night)- Relay 4912 Key 40 1 beep HF On (High Speed)- Relay 4902 & Triac 7104 Key 41 1 beep Exit Test Mode - 1 beep 6-2

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6-2
TOUCH PANEL AND ELECTRONIC CONTROL TEST
The microwave hood combination is provided with a self-diagnostic routine that can be accessed through the touch keypad.
To initiate this routine:
1.
Press and hold the OFF/CANCEL button while opening
the door. While still holding the OFF/CANCEL button,
unplug the microwave oven for 2 seconds, then plug it
back in.
2.
Release the OFF/CANCEL button and close the door. All
VFD segments will be lit to indicate the test mode has
been entered.
NOTE: If the OFF/CANCEL button is pressed during this
diagnostic routine, you will exit the test mode.
Key Tables for Test Mode
Key Name
Function
Display
Buzzer
p
e
e
b
1
1
y
e
K
-
t
r
a
t
S
Light Hi/Lo/Off
-
Key 3
1 beep
Hood Exhaust Fan
(HF) Hi/Med/Lo/
Off
-
Key 4
1 beep
Turntable On/Off
-
Key 5
1 beep
Clock
-
Key 6
1 beep
Timer Set/Off
-
Key 7
1 beep
Add 30 Sec
-
Key 9
1 beep
Cook Time
-
Key 10
1 beep
Cook Power
-
Key 11
1 beep
Warm Hold
-
Key 12
1 beep
Cook
-
Key 13
1 beep
Reheat
-
Key 14
1 beep
Defrost
-
Key 15
1 beep
Frozen Entrée
-
Key 16
1 beep
Beverage
-
Key 17
1 beep
Popcorn
-
Key 18
1 beep
Baked Potato
-
Key 19
1 beep
Frozen Vegetable
-
Key 21
1 beep
Fresh Vegetable
-
Key 22
1 beep
Key Name
Function
Display
Buzzer
p
e
e
b
1
2
3
y
e
K
-
0
1
Cavity Light
On—Relay
4901
Key 33
1 beep
2
Cooktop Light
On (High)—
Relay 4911
Key 34
1 beep
3
Microwave
Oven On for
10 Seconds—
Relay 4903
Key 35
1 beep
p
e
e
b
1
6
3
y
e
K
-
4
p
e
e
b
1
7
3
y
e
K
-
5
6
Cavity Light &
Turntable On—
Relay 4901
&4906
Key 38
1 beep
p
e
e
b
1
9
3
y
e
K
-
7
8
Cooktop Light
On (Night)—
Relay 4912
Key 40
1 beep
9
HF On (High
Speed)—
Relay 4902 &
Triac 7104
Key 41
1 beep
Off/Cancel (to
lock hold, hold
for 3 seconds)
Exit Test Mode
-
1 beep