21
Exiting Lock-Out Mode:
To exit the lock-out mode, remove 24 volts to the defrost
control by removing power to indoor air-handler/furnace or by shorting the two
defrost control test pins together.
ENHANCED FEATURE DEFROST CONTROL DIAGNOSTIC CODES
REPLACEMENT PARTS
Contact your local distributor for a complete parts list.
CHARGE INFORMATION
Refer to the appropriate charge chart included in this manual.
TROUBLESHOOTING
Refer to the troubleshooting chart included in this manual.
WIRING DIAGRAMS
Refer to the appropriate wiring diagram included in this manual.
LED 1 LED 2 Control Board Status
OFF OFF No Power
ON ON Coil Sensor Failure
OFF ON Ambient Sensor Failure
FLASH FLASH Normal
OFF FLASH Low Pressure Lockout (short test pins to reset)
FLASH OFF High Pressure Lockout (short test pins to reset)
ON FLASH Low Pressure Control Open
FLASH ON High Pressure Control Open
Alternate Flashing 5 Minute Time Delay
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