Samsung UD18B1C2, UD26B1C2, AD18B1C09, AD26B1C13 service manual Is operating lamp blinking?

Page 17

3-3-6 When the UP/DOWN Louver Moter Does Not Operate. (Initial Diagnosis)

1)Checklist :

(1)Is input voltage normal?

(2)Is the UP/DOWN louver motor properly connected with the connector (CN61)?

2)Troubleshooting procedure

Remove power cord and plug in again in approx. 5 seconds.

Is operating lamp blinking?

YES

Does operation start when swing button of

the remote control unit pushed?

Voltage at pin #33 ~ #36 of micom (ICO4) change?(Squarewave)

YES

Volatge at pin #13, #14, #15, #16 of IC05 (KID65003)

change?(Squarewave)

YES

Check as in the procedure "No Power parts".

Refer to page 11.

Normal

Micom (IC04) is faulty.

Driver IC05 (KID65003) is faulty.

YES

UP/DOWN louver motor is faulty.

Image 17

Contents Room AIR Conditioner Refrigerant Refill Procedure InstallationPump down Procedure Indoor Unit Disassembly and ReassemblyDo 1above Outdoor Unit Items to be checked first TroubleshootingDisplay Self Diagnosis Standard Outdoor Unit Checking and Testing Operations Outdoor UnitIf the lamp is not flickering, check as follows Display Explanation Remark No Power completely dead-Initial diagnosis Fault Diagnosis by SymptomIndoor unit on when When the power voltage is not availableIs the display of PCB shown No Power Outdoor unitWhen the fan of indoor unit does not operate When the outdoor unit fan does not operate Is operating lamp blinking? LCD display status of Remocon normal? When the 4 way valve A,B is not operating Normal comp a B off Keep Comp a B off When the compressor does not operateMethod for Setting up the model option with remocon Set up the Model optionCase of ex -1700b7 Table of the option code Memo Exploded Views and Parts List Parts List 1 UD26B1C2 UD26B1C2 2 UD18B1C2 ’TY ASS’Y Control in DB93-01223A Description Specification RemarkRefrigerating Cycle Block Diagram Indoor Unit Outdoor Unit Schematic Diagrams Outdoor Unit Electronics

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AD26B1C13, AD18B1C09, UD18B1C2, UD26B1C2 specifications

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