Troubleshooting
Samsung Electronics
4-9
Error Indicator
Cause
Measures
Product’s state of operation
at the time of malfunction
(state of main component)
Method of
Diagnosis
Indoor
Fan
Outdoor
Fan
Comp.
Faulty radiator temperature sensor
• Replace Outdoor unit PBA
Operation
Off
Operation
Off
Operation
Off
Page 4-30
AC overvoltage protection
• Check input voltage
Operation
Off
Operation
Off
Operation
Off
Page 4-30
Problematic incoming electric current
sensor
• Replace Outdoor unit PBA
Operation
Off
Operation
Off
Operation
Off
Page 4-30
Radiator overheating error
• Tighten screws
• Replace Outdoor unit PBA
Operation
Off
Operation
Off
Operation
Off
Page 4-33
Refrigerant leakage error
• Inspect pipes
Operation
Off
Operation
Off
Operation
Off
Page 4-34
Error Display
(cont.)