Error Detection - Fujitsu ASYG07LJCA Service Manual

ERROR DETECTION

OUTDOOR UNIT
LED display
POWER
ERROR
MODE
LED981 LED982
(GREEN) (RED)
LED961 LED962
Operation button
MODE
SELECT
EXIT
SW931 SW932
ERROR transition
Annunciation
"Err." and quantity are alternately shown.
"ENTER" short press
Type of errors
ex : discharge thermistor abnormal
When there is more than one error, display is changed by "SELECT" short press.
2010.10.29
ON
POWER
POWER MODE LED : on
LED981
ERROR LED : blink
OFF
ON
ERROR
LED982
OFF
ENTER CHECK
SW933 SW934
"ENTER" short press
ex : indoor unit abnormal
"SELECT" short press
0.1sec 0.1sec
Short press : less than 3 seconds
Long press : more than 3 seconds
If some error newly occurs or is resolved
during transition, it is reflected after going
back to "Annunciation".
59
Error
Error Contents
Code
E. 1 1. 3
Serial communication error
E. 1 1. 4 Serial communication error
E. 1 5. 6 Check run unfinished
E. 2 1. 2 Wiring mistake
Indoor unit capacity error
E. 2 2. 1
E. 2 4. 2 Connection unit number error (indoor unit)
E. 2 4. 3 Connection unit number error (branch unit)
E. 5 U. 1 Indoor unit error
E. 6 2. 1 Outdoor unit PCB model information error
Inverter error
E. 6 3. 1
E. 6 4. 1 Active filter error, PFC circuit error
E. 6 5. 3 Trip terminal L error
Display PCB communication error
E. 6 A. 1
E. 7 1. 1 Discharge thermistor error
E. 7 2. 1 Compressor thermistor error
Outdoor unit heat ex. liquid outlet thermistor error
E. 7 3. 3
E. 7 4. 1 Outdoor thermistor error
E. 7 5. 1 Suction gas thermistor error
Heat sink thermistor error
E. 7 7. 1
E. 8 2. 1 Sub cool heat ex. gas inlet thermistor error
Sub cool heat ex. gas outlet thermistor error
E. 8 2. 2
E. 8 3. 1 Liquid pipe thermistor error
Current sensor error
E. 8 4. 1
Discharge pressure sensor error
E. 8 6. 1
E. 8 6. 3 Suction pressure sensor error
High pressure switch error
E. 8 6. 4
E. 9 4. 1 Trip detection
E. 9 5. 1 Compressor rotor position detection error
E. 9 7. 3 Outdoor unit fan motor error
E. 9 9. 1 4-way valve error
Discharge temperature error
E. A 1. 1
Compressor temperature error
E. A 3. 1
E. A 5. 1 Low pressure error
E. J 2. U Branch boxes error