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1. Error Display    1) The Meaning of the First Alphabet

1. Error Display    1) The Meaning of the First Alphabet.   2) Error Display method.  ○ In case of several Error should be registered at the same time, Indicator will display one error whose priority is highest. ( Refer Error Code Table to know priority order )

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1. Error Display    1) The Meaning of the First Alphabet

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  1. 1. Error Display    1) The Meaning of the First Alphabet   2) Error Display method  ○ In case of several Error should be registered at the same time, Indicator will display one error whose priority is highest. ( Refer Error Code Table to know priority order )  ○ When the same Error Occurred in several Indoor Units, Indicator will display one address of indoor unit whose address number is lowest.

  2. E440, E442 :

  3. E443: Attention : After recovery of refrigerant (Pump down), because refrigerant fills only in outdoor heat exchanger, preceding descriptions error can arise . In this case, If you open service valve after connecting pipe normally with indoor unit, error will be eliminated because refrigerant circulates to low-pressure side.

  4. E431: Attention : Never use welding machine when cut off the oil valve, Do use Tube cutter. ( there is danger of production of fire because oil fills in pipe )

  5. E407:

  6. E410:

  7. E403:

  8. E413:

  9. E416:

  10. E241:

  11. E269:

  12. E458:

  13. E428:

  14. E153: ※ After Service, Indoor unit should be reset by power supply

  15. E152:

  16. E151:

  17. E128:

  18. E129:

  19. E265:

  20. E262,E263,E264:

  21. E461:

  22. Vacuum Mode : Tact S/W K1 7-Segment display Action Outdoor Units with vacuum mode set Outdoor Units with normal mode set In vacuum mode, 1. System operation is prohibited. 2. System does not execute both self diagnosis and protection control.

  23. Pump down Mode : Tact S/W K2 7-Segment display How to pump down all units • Close the liquid service valve of all units • Press Tact S/W K2 3 times • System start the pump down operation • Outdoor unit that pump down is ended stops operation • Close the gas service valve in order that operation stops ※ Pump down operation under long pipe installation is NOT desirable. Please Use adequate refrigerant recovery device.

  24. Pump out Mode : Tact S/W K1 7-Segment display How to pump out Sub1 unit (example) • Close the liquid service valve of Sub1 unit • Press Tact S/W K1 4 times • Sub1 Unit start the pump out operation • Check low pressure in view mode(K4 S/W) ; Do not operate system under 1.6kgf/㎠G (L.P.) • Close the gas service valve • Press K3 to reset the system

  25. Disbranch breakdown compressor : DIP S/W K6, K7, K8 ※ Should be set in individual unit How to Disbranch Compressor Sub1 unit (example) • Set DIP S/W K6 ON, K7 OFF of Sub1 Unit • Press K3 to reset the system Sub1 Fixed comp.2 is broken ※ It is temporary expedient and service is needed for long term operation

  26. Monitoring Program : S-NET I+

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