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- Sun Jul 24, 2011 2:06 am
- Forum: Help and Advice
- Topic: No Cool AIR from AC
- Replies: 1
- Views: 8240
No Cool AIR from AC
LED 1 Status is red in my Ultra-Zone control system from EWC. What does this mean ? This system hen was working just find on morning then when the outside temperature hit 103 this problem occurred and is still there. Any help please since I now have no AC in the hottest days.