Model #RR2 AMANA Countertop Microwave

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Question and Answers

Q:

I have an LG LRE30757ST and a burner will NOT shut off. LRE30757ST

A:

Thank you for choosing SearsPartsDirect.com and being a valued member.  I can certainly understand how frustrating it can be when your range is not working properly.


I recommend testing the surface unit switches and elements themselves. If the switch is bad it will leave the element turned on. 

LF, LR, RR

2. Set the Multiple meter scale to the R x 1
3. Disconnect wires from cook-top elements
4. Touch the ohmmeter test leads to the element
terminal and 1A. 

Normal: Approximately 46 ?,
If not replace


The meter should indicate 46 ? ± 10%
5. Touch the ohmmeter test leads to limiter
terminals 1A and 2A. The meter should indicate
continuity.(0?)

Normal: continuity
(below 0.5 ?)
If not replace

6. Touch the ohmmeter test leads to limiter
terminals 1B and 2B.
With the temperature below 150?F, the meter
should indicate an open circuit(infinite).
With the temperature above 150?F, the meter
should indicate continuity (0?).

Below 150?F
?open circuit(infinite).
Above 150?F
?continuity (0 ?)


CR
2. Set the Multiple meter scale to the R x 1
3. Disconnect wires from CR elements
4. Touch the ohmmeter test leads to the element
terminal and 1A. The meter should indicate 
565 ? ± 10%

Normal: Approximately 565 ?,
If not replace

5. Touch the ohmmeter test leads to limiter
terminals 1A and 2A.the meter should indicate
continuity (0 ?)

Normal: continuity
(below 0.5 ?)
If not replace

6. Touch the ohmmeter test leads to limiter
terminals 1B and 2B.
With the temperature below 150?F, the meter
should indicate an open circuit(infinite).
With the temperature above 150?F, the meter
should indicate continuity (0 ?).

Below 150?F
?open circuit(infinite).
Above 150?F
?continuity (0 ?)

RF
2. Set the Multiple meter scale to the R x1
3. Disconnect wires from cook-top elements
4. Touch the ohmmeter test leads to the (E1 & 1A)
and (E2 & 1A) the meter should indicate :
- (E1 & 1A) ? 32 ? ± 10%
- (E2 & 1A) ? 55 ? ± 10%

Normal: Approximately 32 ?
Normal: Approximately 55 ?

5. Touch the ohmmeter test leads to limiter
terminals 1A and 2A.the meter should indicate
continuity (0 ?)

Normal: continuity
(below 0.5 ?)
If not replace

6. Touch the ohmmeter test leads to limiter
terminals 1B and 2B.
With the temperature below 150?F, the meter
should indicate an open circuit(infinite).
With the temperature above 150?F, the meter
should indicate continuity (0 ?).

Below 150?F
?open circuit(infinite).
Above 150?F
?continuity (0 ?

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If you do not feel confident repairing this problem yourself, then you can have it repaired at your home by a Sears technician. Here is a link for the website: Sears Home Services .

Thank you for your question. Have a great day.

SAFETY NOTICE: Be sure to disconnect power to the appliance before performing any repairs. If you are not comfortable with doing any voltage checks that might be recommended, please contact your local service provider for repairs. Be aware that there could be sharp edges inside the appliance that could cause cuts or other injuries to yourself or others.

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Natasha12 -
Sears Technician
May 22, 2015