Troubleshooting 83 - Error Contents: System Error; Troubleshooting 84 - Error Contents: Transmission Error - Fujitsu Airstage V series Service Manual

Trouble shooting 83
Error Contents :
System Error
Details :
Condition of occurrence :
1. Only the slave unit is registered. (Main unit is not registered.)
2. Indoor unit which is not existing was registered.
3. 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).
Cause 1 : Setting failure
p Recheck the registered contents. (Register the main unit.)
p Check Indoor unit DIP-SW, R-SW.
p Check outdoor unit R-SW.
OK
Cause 2 : Connection failure
p Check transmission cable
p Check if Indoor or Outdoor unit power line is disconnected.
p Check if the converter power line is disconnected.
p Check connection between controller and the converter.
OK
Cause 3 : 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 4 : Remote Controller is defective.
Replace Group Remote Controller.
Trouble shooting 84
Error Contents :
Transmission Error
Details :
Condition of occurrence :
When the signal is cut off for more than 10 minutes from the registered Indoor unit (including Slave unit) and Outdoor unit.
Release condition : 1. The signal has been received from the Indoor & Outdoor units that was creating the error.
2. MPU has been booted up. (Release from the reset operation, the power failure stand-by operation.
Cause 1 : Connection failure
p Check transmission cable
p Check disconnected power line for Indoor and Outdoor unit.
p Check if converter power line is disconnected.
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.
Symptom :
Error Code display [ 1d ]
OPERATION LED is flashing.
Symptom :
Error Code display [ 1F ]
OPERATION LED is flashing.
06-81
harmonic wave).
harmonic wave).