Troubleshooting-Outdoor Unit - Daikin DZ18VC Service Instructions Manual

SERVICING

TROUBLESHOOTING-OUTDOOR UNIT

A U M
DVANCED SER ENUS
SUBMENU ITEM
Clear Faults
Fault 1
Fault 2
Fault 3
Fault 4
Fault 5
Fault 6
SUBMENU ITEM
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)
62
DIAGNOSTICS
INDICATION/USER
MODIFIABLE OPTIONS
NO or YES
Most recent HP fault
2nd most recent HP fault
3rd most recent HP fault
4th most recent HP fault
5th most recent HP fault
6th most recent HP fault
STATUS
COMMENTS
Provides compressor run time in hours.
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.
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.
COMMENTS
Selecting "YES" clears the fault history.