Connection Error - Fujitsu Airstage J-II Service Manual

Trouble shooting 77
Error Contents :

Connection Error

Details :
Condition of occurrence :
The valid signal has not been received from the convertor more than 90 seconds after the communication line became valid.
Release condition : Valid signal is received from Convertor.
Cause 1 : Connection failure
Check power to the convertor.
Check connection of remote control line between controller and convertor.
OK
Cause 2 : Check outside cause (Voltage drop or noise, etc.)
Instant drop ----- Check if there is a large load electric apparatus in the same circuit.
Momentary power failure ----- Check if there is a defective contact or leak current in the power supply circuit.
Noise ----- Check if there is any equipment causing harmonic wave near electric line (Neon bulb or electric equipment that may cause
OK
Cause 3 : Remote Controller is defective.
Replace Group Remote Controller.
Trouble shooting 78
Error Contents :
Address Setting Error
Details :
Condition of occurrence :
1. No Indoor unit is registered.
Release condition :
1. The key to enter the function selection process is pressed.
TIME< key and TIME> key are simultaneously kept pressed.
2. It automatically initializes by itself. After that, it is released by pressing the key to enter the function selection process.
Cause 1 : Setting failure
Register Indoor units again by entering to the function selection mode.
(Keep pressing TIME< key and TIME> key.
(Refer to the installation manual for the remote controller.)
Symptom :
Error Code display [ 1 2 ]
OPERATION LED is flashing.
Symptom :
Error Code display [ 2 8 ]
OPERATION LED is flashing.
04-77
harmonic wave).