Check 1HTCON2 Relay Coil

Failure in the 1HTCON2 relay coil (Heating Contactor 2).

Possible causes

Relay coil open or shorted
Loose terminals in relay block
APX board failure

Recommended actions

Reset alarm and observe for reactivation
Check wiring continuity to the coil
Replace 1HTCON2 relay if resistance is infinite

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