Question about GE Spacemaker JVM1640SJ Microwave Oven
Out of the blue, our very old Spacemaker II (circa 1986) started running by itself. The display reads "8 lo code", and the keypad is inoperable. When the door is shut, the light is on and it sounds like it is running (fan), but it is not actually working (nothing is heated). Model number is JEM31E001. I know it is very old, but has worked fine to this point. Just curious what is going on. We are not the original owners, so do not have the manual to troubleshoot.
This is usually a shorted keypad or a problem on the control board.
We regularly repair these for customer nationwide for only $39.95, plus parts cost if a keypad is needed.
Please feel free to contact me directly if you need more help.
We're happy to help and we appreciate your thoughtful rating of our answer.
William E. Miller, AS-EET
Posted on Jun 08, 2008
Tips for a great answer:
If the microwave runs for a few seconds and then shuts off, a door switch might have failed intermittently. Check each of the door switches for any signs of overheating, arcing, or burning. Also check each of them for continuity. Replace any of the switches that is visibly damaged or that only has continuity intermittently
the microwave runs for a few seconds and stops the touchpad and
control panel might be defective. There are several other components
that can cause this problem, be sure to check any other components
before replacing this board.
the microwave runs for a few seconds and stops the touchpad might be
at fault. This is not common. Generally speaking, if the microwave
display is working and some of the buttons respond correctly but
some don't, the problem is with the touchpad.
the microwave runs for a few seconds and stops the thermostat might
be defective. Watch our video on testing thermostat
Feb 08, 2013 | Microwave Ovens
Oven Capacity (cu. ft.): 1.6
Wattage (IEC-705 Test Procedure): 1000
Cooking System: CircuWave™
Power Levels: 10
Clock: Plus AM/PM
Electronic Scrolling Digital Display: Yes
Electronic Touch Controls: Yes
Kitchen Timer/Timer (On/Off): No/Yes
Variable Scroll Speed: 5
speeds (sub-pad w/ AM/PM)
SmartControl System - Concurrent Programming: Yes
SmartControl System - Help Pad: Yes
Beverage (Convenience): Yes
Cook (Convenience): 9
Popcorn (Convenience): Yes
Reheat (Convenience): 6
Add 30 Seconds: Instant-On
Child Lock: Yes
Cooking Complete Reminder: Yes
Defrost Type: Auto
Delay Start: Yes
Display On/Off: sub-pad
Express Cook: Instant-on
Reminder (24 hr): Yes
Time Cook: I
Time Preference: Control
Turntable On/Off: Yes
Turntable Size (in.): 13-1/2
Cooktop Lighting: Bright/Night/Off
Night Light: Auto
Rack Type: Wire
Sound Volume Control: 4
Easy Mount Installation: Yes
Exhaust Fan: 2-Speed
Case Color: Black
Color Appearance: Stainless
Door Color: Black/Stainless
Weight And Dimensions
Approximate Shipping Weight: 63
Overall Depth: 15
Overall Height: 16
Overall Width: 29
Cavity (W x H x D): 20
31/32" x 9 3/8" x 14 3/16"
Electrical Input - 120V Amperage: 15
Electrical Input - 120V Watts: 1480
Frequency (MHz): 2450
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