York HIDS006B21S Service Manual

Contents

York HIDS006B21S Service Manual Manual pdf 71 page image

SM-18001-rev.1 3-49TROUBLESHOOTING3.4.1 Test Run Using Wired Controller(1) Wired Controller (CIW01)OKMenuBack/Help ECOOn/OffMenuButtonBack/HelpButtonOn/OffButtonBackTest Run Setting: 2 unitsMODE : COOLSPEED : AUTOON RtrnSel. Adj.Back to (1) after checkingWired ControllerIndicationNo Indication * The power supply is not turned ON.* The connection of the controller cableis incorrect.* The connecting wires of power supplyline are incorrect or loose.1. Connection between Connector and Wires2. Connecting Points of Controller Cable3. Contact of Connectors of Controller Cable6. RSW Setting on Indoor Unit Printed Circuit Board7. Wire Connecting Order of Bridge Cable8. Connecting Points of Bridge Cable9. Contact of Connectors of Bridge Cable* The electrical wiring between indoor unitand outdoor unit is disconnected, or thepower supply is not turned ON.* The setting of unit number is incorrect.* The connection of control cablesbetween each indoor unit are incorrect.(When one wired controller controlsmultiple units.)Number ofconnected unitsis incorrect.Fault Inspection Points after the Power Supply OFF4. Connection Order of each Terminal Block5. Screw Fastening of each Terminal BlockNormalAbnormalMove to (4) on the next page.(3) Checking Procedure for AbnormalitiesIf no indication or "00" appears, or the number of the units indicated is less than the actualnumber of the units, there is an abnormality.If "TEST RUN" and the total number of the units connectedto the wired controller (for example "2 units") are indicatedon the wired controller, the connection of the controller cableis correct.* The total number of indoor units connected is indicatedon the liquid crystal display (LCD).* If the indicated number is not equal to the actual number of connected indoor units,the auto-address function is not performed correctly due to incorrect wiring, orelectromagnetic interference. Turn OFF the power supply, and correct the wiring afterchecking the following points (Do not repeat turning ON and OFF within 10 seconds.)(a) The power supply for the indoor unit is NOT turned ON or the incorrect wiring.(b) Loose connection between Indoor Units or Wired Controller.(c) Incorrect Setting of Indoor Unit Address (The indoor unit address is duplicated.)(1) Turn ON the power supply of the indoor and outdoor units.(2) Set the TEST RUN mode with the wired controller.Press and hold the "Menu" and the "Back/Help" buttonssimultaneously for more than three seconds.Select “Test Run” by pressing “ ” and press “OK”.The Test Run screen is displayed.NOTE:For other controllers,refer to the “Installation Manual” for each controller.NOTE:When “00 unit” is indicated,the auto-address functionmay be performing.Cancel “Test Run” modeand set it again.