Troubleshooting
Samsung Electronics 4-33
Outdoor unit display
Judgment Method
• Check if the service valve is open
• Check if there's any blockage on the refrigerant pipe.
• Check the EEV connection and operation
• Check if connecting wire and the pipe are okay.
• Check the compressor
•
Check the troubleshooting of E464, E465 as well.
Cause of problem
- Condition : A and (B or C)
A: Within 10 mins after operating outdoor unit compressor for heating
B : E464 occurs
C : E465 occurs
4-2-27. Blockage deteced on high pressure pipe duing heating operation - (E534)