Samsung AM030RXMDEH/EU Service Manual page 65

4) Cycle Status
■ Things to Check: Cycle status of outdoor unit
■ Error Code: None (showing "Check Required" on the result report)
■ Determine the cycle status of each outdoor unit.
■ When needing to check the cycle status of outdoor unit, please check in the following order.
Commissioning & Management System,
are the values of valve/sensor and operational
current found to be normal?
temperature sensor of corresponding
Commissioning & Management System
operation, the indoor unit has maintained
Is the system refrigerant level appropriate?
Auto Commissioning & Management System & Amount of Refrigerant Check Function
Upon running the Auto
Is the discharge
outdoor unit normal?
While in the Auto
the THERMO ON state.
Finish
* How to Measure Resistance
After separating the temperature sensor connector from PCB,
measure the resistance between two connector terminals.
[Resistance of Discharge Temperature Sensor]
Check the valve/sensor
and compressor.
Check the discharge
temperature sensor and take action
(assembly status, connector,
resistance, etc.).
Ventilate the indoor air.
Adjust the refrigerant level
(add/remove).
Resistance
Temperature
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