45
9.2.4 EEPROM parameter error diagnosis and solution
9.2.5 Zero crossing detection error
When such failure occurs, the main control board must have fault.
Replace indoor PCB
S
hut off the power supply and turn on it 5s later
The problem comes out again
Is the EEPROM chip plugged in indoor PCB well?
No
Correct the connection
Replace the main PCB of indoor unit
Содержание R ON-OFF series
Страница 1: ...SPLIT WALL MOUNTED TYPE R ON OFF SERIES...
Страница 8: ...6 2 Function...
Страница 11: ...9 3 Dimension 3 1 Indoor Units Figure 1 Figure 2...
Страница 14: ...12 4 Refrigerant Cycle Diagram For heat pump models...
Страница 15: ...13 5 Wiring Diagram 5 1 Indoor Units KSR1 07HRN1 QC2 A KSR1 09HRN1 QC2 A KSR1 18HRN1 QB8...
Страница 16: ...14 KSR1 21HRN1 QB8W KSR1 21CR QB6W KSR1 21HR QB6W KSR1 24HRN1 QB8W...
Страница 17: ...15 5 2 Outdoor Units KOK1 07HN1 QC2 KOA1 09HN1 QC2...
Страница 18: ...16 KOE 18HN1 QB8...
Страница 19: ...17 KOF 21HN1 QB8W K0F2 21C QB6W KOP 21H QB6W...
Страница 20: ...18 KOF2 24HN1 QB8W...