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ESIE06-03
Error Codes: Outdoor Units
3–37
3
3
4
5
1
3.16
“L5”
Output Over Current Detection
Error code
L5
Method of
malfunction
detection
An output over-current is detected by checking the current that flows in the inverter DC section.
Malfunction
decision conditions
P
A position signal error occurs while the compressor is running.
P
A speed error occurs while the compressor is running.
P
An output over-current input is fed from the output over-current detection circuit to the
microcomputer.
P
The system will be shut down if the error occurs 16 times.
P
Clearing condition: Continuous run for about 5 minutes (normal)
Supposed causes
P
Over-current due to defective power transistor
P
Over-current due to wrong internal wiring
P
Over-current due to abnormal supply voltage
P
Over-current due to defective PCB
P
Error detection due to defective PCB
P
Over-current due to closed stop valve
P
Over-current due to compressor failure
P
Over-current due to poor installation condition
Summary of Contents for Altherma EKHBH Series
Page 2: ...ESIE06 03 1 2 Part 1 System Outline 3 1 1 5 ...
Page 26: ...Functional Diagrams ESIE06 03 1 26 Part 1 System Outline 3 1 1 4 5 ...
Page 32: ...Piping Diagrams ESIE06 03 1 32 Part 1 System Outline 3 1 1 4 5 ...
Page 38: ...Switch Box Layout ESIE06 03 1 38 Part 1 System Outline 3 1 1 4 5 ...
Page 58: ...PCB Layout ESIE06 03 1 58 Part 1 System Outline 3 1 1 4 5 ...
Page 60: ...ESIE06 03 2 2 Part 2 Functional Description 3 1 2 5 ...
Page 68: ...Hydro box Functional Concept ESIE06 03 2 10 Part 2 Functional Description 3 1 2 4 5 ...
Page 88: ...ESIE06 03 3 2 Part 3 Troubleshooting 3 1 3 5 ...
Page 134: ...Error Codes System Malfunctions ESIE06 03 3 48 Part 3 Troubleshooting 3 1 3 4 5 ...
Page 152: ...Additional Checks for Troubleshooting ESIE06 03 3 66 Part 3 Troubleshooting 3 1 3 4 5 ...
Page 154: ...ESIE06 03 5 2 Part 5 Disassembly and Maintenance 3 1 5 ...