Cooper&Hunter CH-09KRL230V Information Sheet

TROUBLESHOOTINGINSTALLATIONANDMAINTENANCEContent:1. Precautions before Performing Inspection or Repair2. Conrmation3. Flashing LED of Indoor/Outdoor

10Installation and MaintenanceNO.MalfunctionNameDisplay Method of Indoor UnitDisplay Method of Outdoor Unit(Indicator has 3 kinds of display status an

11Installation and MaintenanceNO.MalfunctionNameDisplay Method of Indoor UnitDisplay Method of Outdoor Unit(Indicator has 3 kinds of display status an

12Installation and Maintenance4. How to Check Simply the Main PartIndoor unit:(1)Temperature sensor malfunctionStart Insert the temperature sensor tig

13Installation and Maintenance(2)Indoor fan does not operate (H6)EndYesYesYesYesYesYesYesYesYesYesNoNoNoNoNoNoNoNoNoNoPull the blade by hand under de-

14Installation and Maintenance(3)Jumper cap malfunction (C5) C5 is displayed on the unit.Is there jumper cap on the controller?Install a matching jump

15Installation and Maintenance(4) Communication malfunction (E6) Poor contact of any line may lead to communication malfuntion.Is there incorrect ma

16Installation and Maintenance(1) Capacity charging malfunction (outdoor unit malfunction) (AP1 below is control board of outdoor unit) Main detection

17Installation and Maintenance(2) IPM protection, desynchronizing malfunction, phase current of compressor is overcurrent (AP1 below is control board

18Installation and MaintenanceEnergize and switch onIPM protection occurs after the machine has run for aperiod of time?Use AC voltmeter to measure th

19Installation and Maintenance(3) Diagnosis for anti-high temperature, overload protection (AP1 below is control board of outdoor unit)Main detection

2Installation and Maintenance1. TroubleshootingNOTE:A large-capacity electrolytic capacitor is used in the outdoor unit controller(inverter).Therefore

20Installation and Maintenance(4) Diagnosis for failure start up malfunction (AP1 below is control board of outdoor unit)Main detection point:● If the

21Installation and Maintenance(5) Diagnosis for compressor synchronism (AP1 below is control board of outdoor unit)Main detection point:● If the syste

22Installation and Maintenance(6) Diagnosis for overload and discharge malfunction (AP1 below is control board of outdoor unit)Main detection point:●

23Installation and Maintenance(7) PFC (correction for power factor) malfunction (outdoor unit malfunction) (AP1 below is control board of outdoor unit

24Installation and Maintenance(8) Communication malfunction (AP1 below is control board of outdoor unit)Main detection point:● Check if the connection

25Installation and MaintenancePossible Causes Discriminating Method (Air conditioner Status) Troubleshooting Set temperature is improper Observe the

26Installation and Maintenance7. Abnormal Sound and VibrationPossible causes Discriminating method (air conditioner status) Troubleshooting When turn

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32. Conrmation(1)Conrmation of Power SupplyConrm that the power breaker operates(ON) normally;(2)Conrmation of Power VoltageConrm that power volt

4Installation and Maintenance(1)Models:09/12K:Malfunction and Status Display Table Display of Malfunction of Indoor Unit Malfunction of Outdoor Unit S

5Installation and Maintenance34 Wrong connection of communication wire or malfunction of expansion valve (free match) dn / / / 35 Malfunction o

6Installation and MaintenanceIPM protectionOvercurrent protectionOverload protection Exhaust protection Overlod protection of compresoor Outdoor cond

7Installation and MaintenanceAnalysis or processing of some of the malfunction display:1. Compressor discharge protectionoperation; malfunction of com

8Installation and MaintenanceNO.MalfunctionNameDisplay Method of Indoor UnitDisplay Method of Outdoor Unit(Indicator has 3 kinds of display status and

9Installation and MaintenanceNO.MalfunctionNameDisplay Method of Indoor UnitDisplay Method of Outdoor Unit(Indicator has 3 kinds of display status and