Jenn-Air JGS8850BD Oven User Manual


 
Testing Procedures
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power and gas to range before servicing,
unless testing requires power and/or gas.
16 16026923
© 2006 Maytag Services
Illustration Component Test Procedure Results
Convection motor,
single speed
Measure voltage ......................................
Check motor windings to ground..............
120 VAC.
No continuity.
RPM:............ Approximately 900
Convection element Disconnect wiring to element and
measure cold resistance of terminals.......
Measure voltage at convect element........
Approximately 31 .
120 VAC.
JGS9900BD*
Downdraft motor Measure voltage ......................................
Check motor windings to ground..............
120 VAC.
No continuity.
RPM:............ Approximately 1550.
Warmer element Disconnect wiring to element and
measure cold resistance of terminals.......
Measure voltage at broil element .............
Approx. 12.5 to 18 .
120 VAC.
JGS8850BD*,
JGS8860BD*
Hi-limit temperature
switch
(Warming Drawer)
Normally closed, verify operation:
Open: 135° to 145° F (57° to 63° C).......
Closed: 114° to 126° F (46° to 52° C)....
Infinite.
Continuity.
JGS8850BD*,
JGS8860BD*
Hi-limit temperature
switch
(Warming Drawer)
Normally closed, verify operation:
Open: 95° to 105° F (35° to 41° C).........
Closed: 79° to 91° F (26° to 33° C)........
Infinite.
Continuity.
Spark switch Test for voltage at terminals.....................
Disconnect wiring and check for
continuity in LITE position ........................
120 VAC.
Continuity in LITE position.
Spark ignition
electrode
Test for resistance of spark lead..............
Test ignitor to chassis ..............................
Continuity.
No continuity from ignitor to chassis.
Top surface burner
5 K btu, 9.2 K btu
16 K btu
Verify gas is supplied...............................
Verify burner cap is positioned correctly...
Gas supplied.
Check for obstructions in burner ports.
Top surface,
dual ring burner
15 K btu
Inner: 3 K btu
Outer: 12 K btu
Verify gas is supplied...............................
Verify burner cap is positioned correctly...
Gas supplied.
Check for obstructions in burner ports.
Top surface,
burner cap
5 K btu, 9.2 K btu
16 K btu
Verify cap is positioned correctly.............. Check for obstructions in burner ports.
Top surface,
burner cap, dual ring
(inner and outer rings)
Verify cap is positioned correctly.............. Check for obstructions in burner ports.
Orifice Check for debris....................................... Clean as needed.
Orifice holder
5 K btu, 9.2 K btu
16 K btu
Verify gas pressure..................................
Check orifice for debris ............................
5" Natural.
10" LP/propane.
Clean as needed.
Burner valve,
push-to-turn, 270°
5 K btu, 9.2 K btu
16 K btu
Verify gas is supplied...............................
Orifice adjusted for Natural or LP.
Adjust set screw for simmer control.
Gas supplied.