Daikin GYEQ20AN, Руководство по обслуживанию

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Flow Charts for Troubleshooting SiAUY361411EA
143 Troubleshooting
15
Discharge Temperature Sensor Disconnected/
Shorted
Error
code
F6
Description
of the failure
Sub-code 0: While the unit is running, the outdoor air temperature is 10°C or higher but discharge
temperature 1 fails to rise above 0°C (which means that discharge temperature sensor 1 is
disconnected).
Sub-code 1: Discharge temperature 1 fails to rise above 0°C within 20 minutes after startup (which means
that discharge temperature sensor 1 is disconnected).
Sub-code 2: While the unit is running, discharge temperature 1 is reported as 201°C (which means that
discharge temperature sensor 1 is shorted).
Sub-code 3: While the unit is running, the outdoor air temperature is 10°C or higher but discharge
temperature 2 fails to rise above 0°C (which means that discharge temperature sensor 2 is
disconnected).
Sub-code 4: Discharge temperature 2 fails to rise above 0°C within 20 minutes after startup (which means
that discharge temperature sensor 2 is disconnected).
Sub-code 5: While the unit is running, discharge temperature 2 is reported as 201°C (which means that
discharge temperature sensor 2 is shorted).
Possible
causes
of the failure
Discharge temperature sensor failure; harness failure; main circuit board failure
Flow chart
NO
Check Discharge
Temperature Sensors.
025878-00E
Are Discharge Temperature
Sensors Operating Normally?
YES
Check whether the sensor is
connected properly to Main
Circuit Board's Harness.