Fujitsu Airstage J-II, Service Manual

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Error Contents :
System Error
Symptom :
Error Code display [ 1 5 ]
OPERATION LED is flashing.
Condition of occurrence :
3. Only the slave unit is registered. (Main unit is not registered.)
4. Indoor unit which is not existing was registered.
5. Outdoor unit is not set in the same refrigerant circuit as the indoor unit.
Release condition : Registered contents have been changed by SELECT key, DAY key, Timer Mode key (DELETE key).
Trouble shooting 79
Cause 1 : Conditions check
Check if 4 minutes or more after starting
Clear when [26] error generated at converter.
Check if refrigerant systems do not become 3 or more by
this indoor unit registration.
Check transmission cable
Check if Indoor or Outdoor unit power line is disconnected.
Check if the convertor power line is disconnected.
Check connection between controller and the convertor.
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 supplycircuit.
Noise ----- Check if there is any equipment causing harmonic wave near electric line (Neon bulb or electric equipment that may cause
harmonic wave).
Cause 5 : Remote Controller is defective.
Replace Group Remote Controller.
1. Registration started within 4 minutes after power ON
2. Indoor unit refrigerant system registered at controller connected to converter reached 3 or more ([26] error generated at
converter)
OK
OK
OK
OK
Recheck the registered contents.(Register the main unit.)
Check Indoor unit DIP-SW, R-SW
Check outdoor unit R-SW.
04-78
Details :
Cause 2 : Setting failure
Cause 3 : Connection failure
Cause 4 : Check outside cause (Voltage drop or noise, etc.)