SERVICING
62
A DVANCED U SER M ENUS
TROUBLESHOOTING-OUTDOOR UNIT
SUBMENU ITEM
INDICATION/USER
MODIFIABLE OPTIONS
COMMENTS
Clear Faults NO or YES Selecting "YES" clears the fault history.
Fault 1 Most recent HP fault
Fault 2 2nd most recent HP fault
Fault 3 3rd most recent HP fault
Fault 4 4th most recent HP fault
Fault 5 5th most recent HP fault
Fault 6 6th most recent HP fault
SUBMENU ITEM COMMENTS
Time Stamp (TS)
Mode (MD)
Compressor Reduction Mode (CRM)
Requested and Actual % Demand (RAD)
Requested and Reported ID CFM (RAF)
Outdoor Air Temperature and Outdoor
Fan Status (ATOF)
Discharge Temperature and Outdoor
Coil Temperature (DCT)
Defrost sensor and Outdoor Liquid
Temperature (DLT)
Pressure Sensor and Suction
Temperature (PSDST)
DIAGNOSTICS
STATUS
Provides compressor run time in hours.
Displays the defrost temperature sensor and outdoor liquid temperature sensor reading.
Displays the low pressure sensor reading which is taken slightly upstream of the suction
accumulator and outdoor suction temperature sensor reading.
Current system operation mode (COOLING, COOLING STARTUP, HEATING, HEATING
STARTUP, DEFROST, OIL RETURN, STOP).
Displays ON or OFF status. ON indicates that the reduction mode is operating and the
compressor is running at a lower speed than the cooling/heating load would normally
require.
Displays a 0-100% value, based on a ratio of the requested cooling demand to what the
system is actually providing.
Compares the requrested indoor airflow to what the indoor equipment has reported.
Displays the outdoor air temperature and outdoor coil temperature as well as outdoor fan
speed(TAP). 0:Off; 1:Low Tap; 2:Medium Tap; 3:High Tap
Displays the discharge temperature and outdoor coil temperature sensor readings.
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