Position Sensor Abnormality - Daikin FLXS-BAVMB Service Manual

Troubleshooting

4.17 Position Sensor Abnormality

H6
Remote
Controller
Display
Method of A compressor start-up failure is detected by checking the compressor running condition through
Malfunction the position detection circuit.
Detection
Malfunction
Decision
Conditions
Supposed
Causes
87
If the error repeats, the system is shut down.
Reset condition: Continuous run for about 11 minutes without any other error
Disconnection of the compressor relay cable
Defective compressor
Defective outdoor unit PCB
Start-up failure caused by the closed stop valve
Input voltage is out of specification
SiBE05-722_B
Service Diagnosis