Samsung Electronics
4-11
■
EC07 : When the trouble is found in the communication related part between outdoor
unit pipe thermistor.
- ED of 7-segment of outdoor unit PCB.
- Reservation lamp and filter lamp of wireless receiving board is flickering with 1Hz.
- Action item when “D” displays on the wired remote controller.
Trouble Shooting
Check point :
- Indoor unit pipe thermistor available or not
- Indoor unit PCB defect
✽
“*” stands for the indoor unit address.
NO
NO
YES
YES
Connect correctly and check.
Replace the outdoor PCB
Is indoor pipe thermistor installed at CN41?
Is the voltage across the thermistor 4.9V and higher
or 0.5V and lower?
Replace the thermistor
3-00216A(1)-TS 5/19/01 10:06 AM Page 4-11
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 ...