“Coils Appear to be Frozen”

Saturday, October 24, 2015 2:05 PM

Problem(s) Encountered:

The AC computer is saying: “Coils seem to be frozen! Defrosting to 13 C.  Coil heater ON.”

but the coils aren''t frozen as far as I can tell -- I opened

the hatch and looked at ''em -- and the A/C cooling coils are at

9 C, close to ambient.


The temperature sensor for the coils does not appear to be well calibrated.  The temperature for this fault can be set by the user by hitting ‘i’ on the AC computer.  I believe it is safe to set it as low as -6.  The temperature to which the coils need to warm back up to is also able to be set by the user (default is the ambient dome temp).  This can be set down at or near 1C without issue from what I can tell.  Note that any user-set values return to defaults if the program is restarted.