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970-C607228 Older Sears Kenmore refrigerator developing ice on the back panel of freezer inside

boudro

Premium Member
Joined
Jun 1, 2010
Messages
44
Location
calgary
Model Number
970-C607228
Brand
Sears Kenmore
Age
More than 10 years
Have a Older Sears Kenmore refrigerator , it keeps developing ice on the back panel of freezer inside and evaporator coil is like a block of ice.

Defrosted and used blow dryer to get all the ice out. Checked defrost element for continuity and there is. Bought new defrost thermostat but haven't installed yet.

Was trying to check continuity on it by putting it into snow in a bowl and ice cubes will not get colder than 28 degrees ,and stat says on it's case says L47-22F.

How can you test them properly . Any help would be appreciated. Thanks
 

jeff1

Appliance Tech - Moderator
Staff member
Joined
Oct 10, 2004
Messages
26,082
Location
Ontario, Canada
Hi,

it keeps developing ice on the back panel of freezer inside and evaporator coil is like a block of ice.

Ice or frost?
Ice is more clear while frost is more white.
*If* the defrost heater is good, simply replace the defrost thermostat and defrost control as this would be the best repair.
Defrost thermostat can ohm ok but still be bad.
Defrost control can bind or such and also be intermittently bad.

jeff sr.
 

boudro

Premium Member
Joined
Jun 1, 2010
Messages
44
Location
calgary
Sorry frost for sure and it gets very thick. The defrost control you mean by timer? Also is there a test you can do with ohm meter if you can only get the thermostat down to

28 degrees?
 

jeff1

Appliance Tech - Moderator
Staff member
Joined
Oct 10, 2004
Messages
26,082
Location
Ontario, Canada
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