Troubleshooting
4-28 Samsung Electronics
4-2-20. Current sensor error - (E468)
Outdoor unit display
Judgment Method
Check power connection.
Check Inverter PCB.
Cause of problem
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4-2-21. DC Link voltage sensor error (Short/Open) - (E469)
Outdoor unit display
Judgment Method
Check the value of DC Link.
Check the reactor disconnection.
Cause of problem DC Link is not normal (DC Link voltage : 264~374V)
4-2-22. Outdoor unit EEPROM Read/Write error (Option) - (E470)
Outdoor unit EEPROM Read/Write error (H/W) - (E471)
Outdoor unit display
,
Judgment Method
• Check EEPROM data
• Upload EEPROM data correspoding model name to Main PCB.
Cause of problem No or incorrect EEPROM data in the set.