Cooling Fan Temperatures - Jenn-Air JES8750BA Series Service Manual

Testing Procedures
To avoid risk of electrical shock, personal injury or death; disconnect power to range before servicing, unless
testing requires power.
Illustration
Downdraft motor
NOTE: Downdraft fan
will not engage if pan
(snap) switch is not
activated.
Coil element,
1250 W, 4-turn
Coil element,
2100 W, 5-turn
Ribbon element, 1800 W
Ribbon element, 1200 W
Grill assembly
` Electronic control

Cooling Fan Temperatures

16
!
Component
Measure voltage ........................................
Check motor windings to ground................
Disconnect wiring to element and
measure cold resistance of terminals.........
Measure voltage at element .......................
Disconnect wiring to element and
measure cold resistance of terminals.........
Measure voltage at element .......................
Disconnect wiring to element and
measure cold resistance of terminals.........
Measure voltage at element .......................
Disconnect wiring to element and
measure cold resistance of terminals.........
Measure voltage at element .......................
Disconnect wiring to element and
measure cold resistance of terminals.........
Measure voltage at grill element ................
NOTE: To avoid equipment damage,
use caution when checking electronic
control circuitry voltages.
COOLING FAN TEMPERATURES
MODE FAN ON TEMP F (C)
Bake 300 (148.9)
Broil Immediately
Clean Immediately
WARNING
Test Procedure
Cartridge JEA7000AD*
Cartridge JEA7000AD*
Cartridge JEA8120AD*
Cartridge JEA8120AD*
FAN OFF TEMP F (C)
275 (135)
275 (135)
275 (135)
16026926
Results
120 VAC.
No continuity.
RPM: 1550
Approx. 42 to 48 Ω.
240 VAC
Approx. 25 to 28 Ω.
240 VAC
Approx. 29.5 to 33.5 Ω.
240 VAC
Approx. 44.5 to 48.5 Ω.
240 VAC
Approx. 30 Ω.
240 VAC.
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