Daikin GYEQ20AN, Руководство по обслуживанию

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Flow Charts for Troubleshooting SiAUY361411EA
147 Troubleshooting
19
Abnormal High-Side Differential Pressure
Error
code
FJ
Description
of the failure
Sub-code 0: While the unit is running, the currently reported high-side pressure is equal to or higher than 3.1
MPa and the previously reported high-side pressure is equal to or lower than 2.9 MPa.
Sub-code 1: While the unit is running, the currently reported high-side pressure is equal to or higher than 2.6
MPa and the previously reported high-side pressure is equal to or lower than 1.8 MPa.
Possible
causes
of the failure
Oil se
external filter clogged parator clogged; high-side pressure sensor failure, main circuit board failure; stop valve left closed;
Flow chart
Are Stop Valves Opened?
YES
Is Engine Speed Normal?
Is Oil Separator
Operating Normally?
Are Compressor's Discharge-Side
Pipes Free From Clogging?
YES
Is High-Side Pressure Sensor
Operating Normally?
YES
NO
Check Mixer.
Check Fuel Control System.
NO
Check Stop Valves.
NO
Check Oil Separator.
Check the external filter.
NO
Check High-Side
Pressure Sensor.
YES
025882-00E