Trane ADAPTIVE CONTROL UCM-CLD - Diagnostics Flowcharts; Machine Shutdown Diagnostics; Circuit Shutdown Diagnostics

17
No
Diagnostic present
Yes
Other
Type of diagnostic
MMR/MAR Active
*** A machine shutdown has occurred ! ***
“Press (Next) for diagnostic info”
Next
MAR
Type of machine shutdown
MMR
[Diagnostic description]
Latched fault - manual reset required
Next
All others RTXA
Mode at fault: [OPERATING MODE]
Compressors running at fault: [A, B, C, D]
[Unit operating mode] [Operating mode]
Compressors running at fault: [A, B, C, D]
Next
Press (Enter) to reset control
and clear all active diagnostics
Enter
Next
Press Enter or Next
Enter
Machine will unload if loaded
and display will automatically
return to “MODE” in the chiller report
[DIAGNOSTIC DESCRIPTION]
Active fault - May clear automatically
Next
All others RTXA
Mode at fault: [Operating mode]
Compressors running at fault: [A, B, C, D]
[Unit operating mode] [Operating mode]
Compressors running at fault: [A, B, C, D]
Other
Type of diagnostic
MAR inactive
*** A circuit shutdown has occurred ! ***
Press (Next) for diagnostic information”
Next
Diagnostics
Diagnostics
[Unit operating mode]
Cooling Mode
Heating Mode
Defrost Mode
Note:
MMR: Machine shutdown manual reset.
MAR: Machine shutdown automatic reset.
CMR: Circuit shutdown manual reset.
CAR: Circuit shutdown automatic reset.
IFW: Informational warning.