ESIE06-03
Error Codes: Outdoor Units
3–29
3
3
4
5
1
3.12
“H8”
CT or Related Abnormality
Error code
H8
Method of
malfunction
detection
A CT or related error is detected by checking the compressor running frequency and CT-detected input
current.
Malfunction
decision conditions
The compressor running frequency is below 55 Hz and the CT input is below 0.1 V.
(The input current is also below 0.5 A.)
P
If this error repeats 4 times, the system will be shut down.
P
The error counter will reset itself if this or any other error does not occur during the following
60-minute compressor running time (total time).
Supposed causes
P
Power transistor defective
P
Internal wiring broken or in poor contact
P
Reactor defective
P
Outdoor unit PCB defective
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 ...