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Error code reference
Trane Furnace Error Code ERR 93
Gas valve fault-control senses 24V present at gas valve when it should not be, or control tried to turn on gas valve but 24V not sensed.
SourceTrane UHM/DHM Series Furnaces - Service Manual: Specificationsp. 34
Where this code is documented
1 manual in the MyPros+ library documents this code for Trane furnace.
Models covered by the manuals that document this code
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