Diagnostics And Troubleshooting - Fujitsu FO2416RTJNAA Installation Instructions Manual

9.0 DIAGNOSTICS & TROUBLESHOOTING
9.1 Defrost Control Diagnostic Codes
LED 1 LED 2
OFF OFF
ON ON
OFF ON
FLASH FLASH
OFF FLASH
FLASH OFF
ON FLASH
FLASH O N
ON OFF
Alternate Flashing
9.2 Outdoor Ambient and Coil Sensor
Temperature vs. Resistance Table
Degrees F
Degrees C
-20
-10
0
10
20
25
30
40
36
Control Board Status
No Power
Coil Sensor Failure
Ambient Sensor Failure
Normal
Low Pressure Lockout (short test pins to reset)
High Pressure Lockout (short test pins to reset)
Low Pressure Control Open
H igh Pressure Control Open
In Defrost Mode
5 Minute Time Delay
Ohms
-4 96,974
14 55,298
32 32,650
50 19,903
68 12,493
77 10,000
86 8,056
104 5,324