Maytag RS511 Service Manual page 12

Component Testing Procedures
To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor
before servicing, unless testing requires it.
Illustration
Interlock switch
assembly
2
7
5
8
7
2
3
5
4
Fault Codes
HV / LV board
Pin #1
P3
P1
Pin #1
P1 connector used
P2 for touch panel
ribbon
Touch panel
12
!
Component
Disconnect wires to switch.
With door open measure resistance from:
3
Terminal 2 to 3
Terminal 5 to 4
4
Terminal 7 to 8
8
With door closed measure resistance from:
Terminal 2 to 3
Terminal 5 to 4
Terminal 7 to 8
After verifying or replacing the module,
re-connect wires to switch and check
operation of monitor circuit before
operating the oven.
F1 − ............................................................
F2 − ............................................................
F3 − ............................................................
F4 − ............................................................
F5 − ............................................................
F6 − ............................................................
All Models
Line voltage to control board
P2 connector
Pin 1—Pin 3 .......................................
Output drive voltage to triac
1
10
Triac terminals Gate—T1 ....................
Fan relay (controls blower motor,
oven light)
Control board Terminals C—J.............
P1
Cook relay
Control board Terminals F—K...........
Continuity is indicated as 100 Ω and below.
Pin 1: is considered Ground
16021518 Rev. 0
W ARNING
Test
Secondary .................
Primary ......................
Monitor ......................
Secondary .................
Primary ......................
Monitor ........................
Results
Infinite Ω
Infinite Ω
Indicates continuity
Indicates continuity
Indicates continuity
Infinite Ω
Replace H.V. / L.V. Board
Replace H.V. / L.V. Board
Replace H.V. / L.V. Board
Replace H.V. / L.V. Board
Replace Touch Panel
Replace H.V. / L.V. Board
Line voltage (All Conditions)
0 VAC (Idle)
0.9 VAC (Cook)
Line voltage (Idle)
0 VAC (Cook)
Line voltage (Idle)
0 volts (Cook)
Pad Pins Measurement
1 8 & 10 Continuity
2 7 & 10 Continuity
3 6 & 10 Continuity
4 5 & 10 Continuity
5 4 & 10 Continuity
6 3 & 10 Continuity
7 8 & 9 Continuity
8 7 & 9 Continuity
9 6 & 9 Continuity
0 5 & 9 Continuity
Start 4 & 9 Continuity
Stop/Reset 4 & 8 Continuity
X 2 6 & 8 Continuity
Time Entry 7 & 8 Continuity
Hold 3 & 8 Continuity
Defrost 6 & 7 Continuity
Medium 5 & 7 Continuity
Medium HI 4 & 7 Continuity
©2002 Maytag Appliances Company