Troubleshooting
4-97
Samsung Electronics
4-4-1 Indoor Unit ROOM sensor Error (Open/Short)
1. How to check
x x x (x x x : The address of the error occurred indoor unit)
×(Operation)
◑
(Timer) ×(Fan) ×(Filter) ×(Defrost)
• The room temperature sensor of No. XXX indoor unit has defective OPEN/SHORT
• Refer to how to determine below
Outdoor unit display
Indoor unit display
Criteria
Cause of problem
Yes
Yes
Is indoor room temperature sensor
connector dislocated?
At that time,
is the resistance value significantly
deviated from the temp. table?
After separating indoor room
temperature sensor connector from PCB,
measure the resistance values between
both terminals
Re-start after replacing PCB.
Re-start after connecting
the connector to the PCB.
As it is due to an indoor oom temperature
sensor defect, replace it.
Yes
No
No
Ex) Room temp. 26°C – Resistance 0.926KΩ
Temperature
(°C)
Resistance
(KΩ)
70
60
50
40
30
21
10
0
-10
2.2
3.0
4.2
5.8
8.3
12.1
18.0
27.3
43.0
Summary of Contents for AVXC4H052/072/100/110/145CE
Page 114: ...0 02 Samsung Electronics 4 30 ...
Page 232: ...0 02 Samsung Electronics 5 20 ...
Page 250: ...0 02 Samsung Electronics 5 38 ...
Page 262: ...0 02 Samsung Electronics 5 50 ...
Page 263: ...5 51 Samsung Electronics 5 2 Outdoor Unit 5 2 1 RVXVHT075 100FE RD075 100VHXFA ...
Page 264: ...Exploded Views and Parts List Samsung Electronics 5 52 RVXVHT075 100FE RD075 100VHXFA cont ...
Page 267: ...Exploded Views and Parts List 5 55 Samsung Electronics 5 2 2 RVXVHT125FE RD125VHXFA ...
Page 268: ...Exploded Views and Parts List Samsung Electronics 5 56 RVXVHT125FE RD125VHXFA cont ...
Page 279: ...Exploded Views and Parts List 5 67 Samsung Electronics 5 2 5 RD040 050MHXCA ...
Page 285: ...PCB Diagram 6 5 Samsung Electronics 6 1 4 Duct type Slim MAIN PCB ...
Page 288: ...0 02 Samsung Electronics 6 8 ...
Page 289: ...PCB Diagram 6 9 Samsung Electronics 6 1 5 Duct type MSP MAIN PCB ...
Page 291: ...PCB Diagram 6 11 Samsung Electronics 6 1 6 Duct type BIG MAIN PCB ...
Page 295: ...PCB Diagram 6 15 Samsung Electronics 6 1 7 Wall mounted type Neo Forte without EEV MAIN PCB ...
Page 298: ...0 02 Samsung Electronics 6 18 ...
Page 299: ...PCB Diagram 6 19 Samsung Electronics 6 1 8 Wall mounted type Neo Forte with EEV MAIN ...
Page 302: ...0 02 Samsung Electronics 6 22 ...
Page 303: ...PCB Diagram 6 23 Samsung Electronics 6 1 9 Wall mounted type Vivace MAIN PCB ...
Page 332: ...0 02 Samsung Electronics 7 16 ...