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Troubleshooting for Outdoor Unit
SiUS12-928_B
189
Service Diagnosis
6.20 Output Overcurrent Detection
Remote
Controller
Display
L5
Outdoor Unit LED
Display
A
j
1
h
2
h
3
i
4
h
Method of
Malfunction
Detection
An output overcurrent is detected by checking the current that flows in the inverter DC section.
Malfunction
Decision
Conditions
A position signal error occurs while the compressor is running.
A speed error occurs while the compressor is running.
An output overcurrent signal is fed from the output overcurrent detection circuit to the
microcomputer.
If the error repeats, the system is shut down.
Reset condition: Continuous run for about 5 minutes without any other error
Supposed
Causes
Poor installation condition
Closed stop valve
Defective power module
Wrong internal wiring
Abnormal power supply voltage
Defective outdoor unit PCB
Defective compressor
Содержание SUPER MULTI NX CTXS07JVJU
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