Dc Voltage / Current Sensor Abnormality (09/12 Class Only) - Daikin FTXN09KEVJU Service Manual

SiUS041111
4.18 DC Voltage / Current Sensor Abnormality (09/12 Class
Only)
H8
Remote
Controller
Display
Method of DC voltage or DC current sensor abnormality is identified based on the compressor running
frequency and the input current.
Malfunction
Detection
 The compressor running frequency is above 52 Hz.
Malfunction
Decision
 If the error repeats the system is shut down.
Conditions
 Reset condition: Continuous run for about 60 minutes without any other error.
 Defective outdoor unit PCB
Supposed
Causes
Troubleshooting
Replace the outdoor unit PCB.
Service Diagnosis
(The input current is also below 0.1 A.)
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Troubleshooting
103