Carrier 69NT40-541-505 Operation And Service Manual page 52

Code TITLE
No.
Cd19 Battery Check
Cd20 Config/Model #
ML3 - Humidity Water
Cd21 Pump/Air Pump
Status
Cd22 Compressor State
Cd23 Evaporator Fan State Displays the current evaporator fan state (high, low or off).
Controlled
Cd24
Atmosphere State
Time Remaining Until
Cd25
Defrost
Defrost Temperature
Cd26
Sensor Reading
T-368
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Table 4–5 Controller Function Codes
This code checks the Controller/DataCORDER battery pack. While the test is run-
ning, "btest" will flash on the right display, followed by the result. PASS will be dis-
played for battery voltages greater than 7.0 volts. FAIL will be displayed for battery
voltages between 4.5 and 7.0 volts, and ----- will be displayed for battery voltages
less than 4.5 volts. After the result is displayed for four seconds, "btest" will again
be displayed, and the user may continue to scroll through the various codes.
This code indicates the dash number of the model for which the Controller is con
figured (i.e., if the unit is a 69NT40541100, the display will show 41100). To display
controller configuration database information, press ENTER. Values in CFYYM-
MDD format are displayed if the controller was configured with a configuration card
or with a valid OEM serial port configuration update; YYMMDD rep resents the
publication date of the model configuration database.
This code displays the status of the humidity water pump (-----, On, or OFF). If not
configured, the mode is permanently deactivated and will display -----.
The status of the compressor is displayed (high, low or off).
Displays the controlled atmosphere state (-----, On or Off).
This code displays the time remaining until the unit goes into defrost (in tenths of
an hour). This value is based on the actual accumulated compressor running time.
Defrost Temperature Sensor (DTS) reading is displayed.
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DESCRIPTION
4–22