
4-10
Samsung Electronics
■
EC06 : When the trouble is found in the communication related part between indoor unit
and wired remote controller. (during single operation, not group control)
- EC of 7-segment of outdoor unit PCB.
- Wireless receiving board lamp and reservation lamp is flickering with 1Hz.
- Action item when “C” displays on the wired remote controller.
Trouble Shooting
Check point :
- Short circuit or mis-connection of the communication line between indoor unit and wireless remote controller
- Indoor unit PCB defect
- Wired remote controller PCB defect
✽
“0” stands for the indoor unit address.
NO
NO
YES
YES
YES
Connect correctly and check.
Connect correctly and check again
NO
Set address to "0"
NO
Replace the wired remote controller
Are the terminals R1, R2, R3 of indoor unit terminal
board connected correctly to R1, R2, R3 of wired remote
controller?
Is 7P(RED) of transformer connected to CN11
of indoor unit?
Is the jump wire inserted into CN20 of indoor unit PCB?
Is the address of PCB digital switch of indoor unit to "0"?
Replace the indoor unit PCB
3-00216A(1)-TS 5/19/01 10:06 AM Page 4-10
Summary of Contents for UDH4400G
Page 5: ...1 4 Samsung Electronics Outdoor Unit Product Specifications 1420 415 930 840 385 ...
Page 17: ...2 12 Samsung Electronics MEMO ...
Page 27: ...3 10 Samsung Electronics MEMO ...
Page 51: ...4 24 Samsung Electronics MEMO ...
Page 58: ...Samsung Electronics 5 7 MEMO ...
Page 63: ...6 5 Samsung Electronics MEMO ...
Page 66: ...7 3 Samsung Electronics 7 3 Wiring Diagram 7 3 1 Indoor Unit DUCT TYPE AIRCONDITIONER ...
Page 67: ...Samsung Electronics 7 4 7 3 2 Outdoor Unit DUCT TYPE AIRCONDITIONER ...
Page 68: ...7 5 Samsung Electronics 7 4 PCB Diagrams 7 4 1 Indoor Unit PD DH3200 08 ...
Page 71: ...Samsung Electronics 7 8 Parts list 7 4 2 Outdoor Unit PD DH3200 S4 ...
Page 74: ...7 11 Samsung Electronics 7 6 Circuit Diagrams 7 6 1 Wired Remote Controller ...
Page 75: ...Samsung Electronics 7 12 7 6 2 Centralized Controller ...
Page 76: ...7 6 3 Indoor Unit Samsung Electronics 7 13 ...
Page 77: ...7 6 4 Outdoor Unit 7 14 Samsung Electronics ...
Page 79: ...ELECTRONICS Samsung Electronics Co Ltd Apr 2001 Printed in Korea Code No DB81 00216A 1 ...