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Troubleshooting
4-3-4
: Error due to abnormal data of DHW tank thermistor value
Outdoor unit display
Wired remocon display
Criteria
Cause of problem
1. How to check
Does water tank
thermistor connector come out
of the PBA?
After putting out the thermistor
from the PBA Measure its resistance
value B/W two terminal.
Is the resistance value
Deviated from the temp. table,
significantly?
Re-start after replacing PBA.
44
x x x (x x x : The address of the error occurred indoor unit)
• Refer to how to determine below
• DHW tank thermistor has a defective OPEN/SHORT
No
Yes
Yes
Re-start after put the connetor in the PBA.
Ex) In case of 26°C – its resistance : around 195KΩ
Temperature
(°C)
The thermistor needs to be replaced.
Resistance
(KΩ)
70
43
60
59
50
82
40
115
30
166
20
242
10
362
0
553
No
Samsung Electronics
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Table of Contents
Troubleshooting
