Samsung AM053FXMDCH Service Manual page 97

Check Operation & Amount of Refriherant Automatically Checking
5) Cycle status
Inspection item : Cycle status of Outdoor Unit.
Error code: None (The resulting report "Undetermined")
Determine the Cycle status of the each Outdoor Unit.
If the judgment of Cycle status is "Undetermined" : Checking in accordance with the following order.
Commissioning results,
is Valve and Pressure sensor normal?
Is Discharge Temperature sensor of
corresponding Outdoor Unit normal?
When commissioning, does maintain
Thermo On status of Indoor Unit?
Is refrigerant in the system propely?
Complete
94
Yes
No
Yes
Yes
No
Confirmation and
Measures.
Inspection and measures of
No
Discharge Temperature sensor.
(Assembly status, connector,
resistance, etc.)
No
Indoor ventilation
No
Adjusts the refrigerant
(Addition / Emitted)
※ Resistance measurement method After
separating the Temperature sensor
connector from the PCB, measure the
resistance value between the two
terminals.
[Discharge
Temperature sensor
Resistance(Ku)
resistance value]
Temperature(℃)
13 89.0
12 112.0
10 185.0
80 320.0
60 590.0
25 2000.0
20 2402.0
10 3602.0
0 5503.0
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