background image

Troubleshooting

5-6

Samsung Electronics

5-2-4. When the RS485 is Not Connecting

Check the condition of cable connection

Start

Yes

Yes

No

Is the cable connection for RS485 proper?

Check the polarity  of RS485 cable

No

Is the polarity of RS485 cable correct?

[Left : +(or “A”), Right : – (or “B”)]

Change Main Board

End

All manuals and user guides at all-guides.com

Summary of Contents for DMS2.5

Page 1: ...ting 6 PCB Diagram 7 Wiring Diagram Refer to the service manual in the GSPN see the rear cover for the more information DMS2 5 CONTENTS DMS2 5 Basic AIM D00AN Model AIM D01AN Model Code AIM D01AN MIM...

Page 2: ...cation Update using SD Card 4 2 15 Troubleshooting 5 1 5 1 Items to be checked first 5 1 5 2 Fault diagnosis by symptom 5 2 5 2 1 When DMS2 5 is not working 5 2 5 2 2 When the LCD Display is Not Worki...

Page 3: ...nd measurement Work with insulation gloves during the repair and measurement of PCB Check the distance between the product and the other electronic appliances such as TV video and audio It should be o...

Page 4: ...server function Remote control Monitoring Logic control of indoor unit operation Outdoor air cooling function Efficient electric power consumption management Long term effects of electric charge savin...

Page 5: ...g Display LCD Text LED Power CPU Alive Ethernet Linked Ethernet Active COM1 COM2 COM3 COM4 COM5 TX RX Check KEY 4keys Menu Set DI DO DO Dry Contact Digital signal output 8CH DI Dry Contact Digital sig...

Page 6: ...ifications features Samsung Electronics 2 3 2 3 System Organization Internet S NET 3 OnOff Controller Outdoor Unit Power Meter DMS2 5 SIM PIM All manuals and user guides at all guides com a l l g u i...

Page 7: ...and check the list of malfunction installation information of indoor unit and the data of integration power distribution itself with built in database Management of Large quantities units The maximum...

Page 8: ...Disassembly and Reassembly Samsung Electronics 3 1 Item Remark ScrewDriver ScrewDriver 3 DisassemblyandReassembly Necessary Tools All manuals and user guides at all guides com...

Page 9: ...arts Procedure Remark 1 Common 1 Unscrew 2 fixing screws Use Screw Driver 2 Detach the lower cover 3 Press lower part of cable tie and detach the cable tie 4 Pull the bead core part of adapter 5 Turn...

Page 10: ...rom DMS 2 5 7 Detach connectors for 485communication network and DI DO 8 Unscrew at red circle part Use Screw Driver Ref The case of using additional Hole for install detach from wall after detaching...

Page 11: ...ocedure Remark 10 Unscrew 2 fixing screws at red circle 11 Pick up the upper cover Be careful not to damage LED on sub board 12 As the shown picture detach the cable between main and LCD board All man...

Page 12: ...dDisassemblyandReassembly No Parts Procedure Remark 1 Common 1 As shown picture detach the connector pulling upper direction 2 Unscrew 4 fixing screw on sub board Use Screw Driver 3 Detach the sub boa...

Page 13: ...As shown picture detach the connector on sub board pulling upper direction 2 Detach connector on main board as a same way 3 Detach connector for connecting display board 4 Unscrew 4 fixing screw on m...

Page 14: ...s 3 7 3 4 DisplayboardDisassemblyandReassembly No Parts Procedure Remark 1 Common 1 Unscrew 4 fixing screw on display board Use Screw Driver 2 Push up the display board and detach it from upper cover...

Page 15: ...ram Update Necessary Tools Item Remark Screw Driver SD CARD At least 512MB Type Normal SDHC Company Class Capacity SD Card SANDISK Max Extreme Pro Max 32GB Micro SD Card SANDISK Max 10 Class Max 8GB A...

Page 16: ...Insert a SD card for updating 2 Push Reset button once 3 System is reset Application is updated 4 remove SD card is showed like the right picture detach SD card pushing it one more time 5 After remov...

Page 17: ...Program Update Samsung Electronics 4 3 No Parts Procedure Remark 6 After completing application update confirm IP time and regular operation All manuals and user guides at all guides com...

Page 18: ...ly connected Connect DMS 2 5 communication cables R1 R2 properly Be careful to deal with the RS485 communication cable because it has polarity Peak power management is out of order Are there no proble...

Page 19: ...r failure or Is plug connection proper Check the connection Between adapter and power cable Yes No Is the connection between adapter and power cable proper Change adapter Yes No Is the output of adapt...

Page 20: ...sung Electronics 5 3 When DMS2 5 is not working cont Change Display Board Continue Yes No Is DMS 2 5 working End Change Main Board Yes Is DMS 2 5 working Change Sub Board No All manuals and user guide...

Page 21: ...rkingortheBacklightisTuringOFF Checktheconditionofcableconnection Start Yes No IstheconnectionbetweenMainBoard andDisplayBoardproper ChangeDisplayBoard ChangeMainBoard Yes No IsLCDworkingproperly End...

Page 22: ...hentheStaticLEDisNotTurningON OFF Checktheconditionofcableconnection Start Yes No IstheconnectionbetweenMainBoard andSubBoardproper ChangeSubBoard ChangeMainBoard Yes No IsstaticLEDworkingproperly End...

Page 23: ...5isNotConnecting Checktheconditionofcableconnection Start Yes Yes No IsthecableconnectionforRS485proper Checkthepolarity ofRS485cable No IsthepolarityofRS485cablecorrect Left or A Right or B ChangeMai...

Page 24: ...onditionofEthernet connector No IstheconnectorforEthernetproper Yes CheckIP Subnetmaskandgatewayaddress Refertoinstallandservicemanual No Aretheaddressesforethernetcorrect ChangeMainBoard End ChangeMa...

Page 25: ...is Not Doing Backup Data Check the SD card slot Start Yes Yes No Is the SD card inserted in the slot Check the SD card If SD card was locked DMS 2 5 is not doing Backup data No Is the SD card locked C...

Page 26: ...orking Check the condition of cable connection Start Yes Is the connection between Main Board and Display Board proper Change Display Board Change Main Board Yes No No Are buttons working properly End...

Page 27: ...s connected less than 7 SIMs Less than 8 DDCs Connect using less than 128 DDC connection points or install additional DMS2 Yes No Are the devices connected to DMS 2 5 Satisfied with install limitation...

Page 28: ...gotten Start Press the buttons under LCD window and select 8 Password Reset menu Press Menu Set buttons simultaneously after RESET PASSWORD WAITING message If you Press Set button after Are you sure m...

Page 29: ...quest firewall of 443 11000 port opening to network manager Yes No Is the firewall of 443 11000 port open to DMS 2 5 End To use public IP you change Public IP use into Admission in System Setting Syst...

Page 30: ...ctronics 6 1 6 PCB Diagram 6 1 Main Board CN6 1 Power connector SW3 1 Reset SW CN14 1 Don t use CN5 1 SD Card Socket CN2 1 Connector for Ethernet CN8 CN12 1 Connector for RS485 All manuals and user gu...

Page 31: ...s Document can not be used without Samsung s authorization DisplayBoard 20PINcable Ass yConnector Wire Display DB93 08182A MainBoard 40PINCable Ass yConnectorWire Sub DB93 08183A SubBoard All manuals...

Page 32: ...or domestic law Samsung Electronics Co Ltd April 2016 Printed in Korea Code No AC 00162E_1 GSPN GLOBAL SERVICE PARTNER NETWORK Area Web Site Europe CIS Mideast Africa gspn1 samsungcsportal com Asia gs...

Reviews: