Dc Voltage / Current Sensor Abnormality - Daikin FTKS20CVMB Service Manual

Troubleshooting

4.15 DC Voltage / Current Sensor Abnormality

H8
Remote control
Display
Detecting abnormality of the DC sensor by the running frequency of compressor and by the
Method of
input current multiplied DC voltage and current.
Malfunction
Detection
The compressor running frequency is below 52 Hz.
Malfunction
(The input current is also below 0.5 A.)
Decision
Conditions
Supposed
Causes
Troubleshooting
Replace the outdoor unit PCB.
126
If this error repeats 4 times, the system will be shut down.
The error counter will reset itself if this or any other error does not occur during the following
60-minute compressor running time (total time).
Outdoor unit PCB defective
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
SiENBE04-401A
Service Diagnosis