IAqua Link RS4 - Spillover when scheduled always turns on the blower. Service mode they are independent.

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What AUX controls the Spillover and Blower?
 
I have an iAqualink RS4. In service mode Spillover and Spa Blower function independently. However when I schedule spillover the blower always comes on.

How do I fix this so that only spillover comes on when scheduled?
Is Dipswitch #3 set to ON? This allows the system to go into spillover mode.
 
AuX3 can either be blower or Spiilover.

If you make AUX3 SPILLOVER with dipswitch #3 it also turns on the AUX3 relay.

If you had an RS6 or RS8 system you would move the blower relay to a different AUX.
 
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