Question about Honeywell Heating & Cooling
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Posted on Jan 02, 2017
SOURCE: red LED on honeywell r6660d
The problem is that the 2 units are "not speaking to each other". this could be caused by low batteries or a loss in signal caused by a powercut or an objection in the way of the 2 units.
first you need to turn the power off to the r666od (or otherwise known as the HC60NG) for 10 secs, then turn back on. then hold the grey button in for 15 secs. release then hold in for a further 5 secs.
go to the honeywell cm61 press the off button. hold temp up. temp down and prog 1 in for 3 secs until the dipslay goes to INST. at this point release all 3 buttons then press the i button until a beacon starts flashing.
this is now the end to your problem.
N.B the reason the green light was on is because the man override button will have been pressed.
hope this helps
Posted on Feb 11, 2009
you might have hit a bump and the linkage popped out
you need to jack the car up and pop it back in
it is on the side of the transmission on the drivers side
Posted on Dec 05, 2010
SOURCE: how do I bind my
I don't see anything about a t661d in this manual but perhaps it is the same process. hope it helps.
Posted on Dec 29, 2010
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