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07-05-2012, 09:38 AM #1
Trane ecgce 205 with scm controller - hrd4 error
Hello
For the TRANE ECGCE 205 water chiller, made in 1994, , Module B is not recognized by the main (A) cotroller following the HRD4 error on the lcd display. For this reason only Circuit A is running. B circuit does not operate despte the Selector position (A, A+B, B).
Is there a programming guide to reassign the B module on the main cotroller? both modules are in a very good codtion and no replacement seems to be required.
Thank you in advance.