Component Testing Procedures - Maytag DGRSC Service Manual

Component Testing Procedures

To avoid risk of electrical shock, personal injury or death; disconnect power and shut off gas to unit before
servicing, unless testing requires power.
Illustration
Oven light housing
Rocker switch
Convection motor fan
Controls
Griddle thermostat
Oven thermostat
Pressure regulator
Spark module
4 + 0
Input
GND
L or N
Holder orifice
Spark ignition
electrode
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Component
Disconnect connector and test
resistance of terminals......................
Measure voltage at oven light...........
Measure continuity of switch positions:
Closed ..............................................
Open ................................................
Verify supply voltage..........................
Check continuity of terminals, and
verify terminals are not shorted to
chassis...............................................
Verify proper operation.
Verify supply voltage..........................
Verify supply voltage..........................
Verify gas pressure (WCP).
If on LP service, verify proper gas
supply conversion.
Test for voltage at terminals
L and N...........................................
Polarity and ground ........................
Verify gas pressure (WCP).
Check orifice for debris.
Test for resistance of spark lead ..........
Test ignitor to chassis ..........................
16023219
WARNING
Test Procedure Results
Verify bulb is plugged in properly.
Indicates continuity with bulb installed.
12 VAC, see wiring diagram for
terminal identification.
If no voltage is present at oven light,
check wiring or light switches.
Continuity
Infinite
120 VAC
Approximately 80 Ω
Open at 225°F, Closes at 165°F
120 VAC
120 VAC
5 Natural
"
10 LP/Propane
"
120 VAC
Not subject to polarity
5 Natural
"
10 LP/Propane
"
Clean as needed.
Continuity
No continuity from ignitor to chassis.
13