2-17. E: 5U. Indoor unit error
Indicator
Indoor unit
Operation indicator 5 time flash
Timer indicator 15 time flash
Economy indicator Continuous flash
Error code E: 5U
outdoor unit
Refer to “Error code table (Outdoor unit: for 34 model
only)” on page 1
Check point. Check following error code.
"E: 11. Serial communication error (Serial reverse transfer error) (Outdoor unit)"
"E: 11. Serial communication error (Serial forward transfer error) (Indoor unit)"
"E: 12. Wired remote controller communication error (Indoor unit)"
"E: 18. External communication error (Indoor unit)"
"E: 18. External communication error between indoor unit and WLAN adapter"
"E: 18. Communication error"
"E: 18. Wireless LAN adapter non-energized"
"E: 22. Indoor unit capacity error (Indoor unit)"
"E: 23. Combination error (Outdoor unit)"
"E: 26. Address setting error in wired remote controller (Indoor unit)"
"E: 29. Connected unit number error (Indoor unit)"
"E: 32. Indoor unit main PCB error (Indoor unit)"
"E: 33. Indoor unit motor electricity consumption detection error (Indoor unit)"
"E: 35. MANUAL AUTO button error (Indoor unit)"
"E: 3A. Indoor unit communication circuit error (Indoor unit)"
"E: 41. Room temperature sensor error (Indoor unit)"
"E: 42. Indoor unit heat exchanger sensor error (Indoor unit)"
"E: 51. Indoor unit fan motor error (Indoor unit)"
↓
End
2-17. E: 5U. Indoor unit error - (03-30) - 2. Troubleshooting with error code
TROUBLESHOOTING
TROUBLESHOOTING
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