Error Codes: Outdoor Units ESIE02–01
3–46 Part 3 – Troubleshooting
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Troubleshooting To troubleshoot, proceed as follows:
Thermistor curve See page 3–74.
Check the amount of
refrigerant.
NoIs it correct?
Fill with the proper amount
of refrigerant.
Ÿ Check if the operating conditions of
the in- and outdoor unit are within the
range
Ÿ check the refrigerant piping circuit for
clogging
Ÿ check the accuracy of the discharge
thermistor, refer to the thermistor
curve
Ÿ check correct operation of the
expansion valve and the flow through
non-return valves (RYP71-125B7).
Yes
No
Place the sensor correctly in
the discharge pipe port.
Yes
Check the
discharge pipe
sensor.
Has
the sensor come off
the discharge pipe
port?
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