![background image](http://html.mh-extra.com/html/daikin/altherma-ekhbh-series/altherma-ekhbh-series_service-manual_501281098.webp)
Error Codes: Outdoor Units
ESIE06-03
3–12
3
1
3
4
5
3.2
“E1”
Outdoor Unit PCB Abnormality
Error code
E1
Method of
malfunction
detection
P
Detect within the programme of the microcomputer that the programme is in normal running order.
Malfunction
decision conditions
P
When the programme of the microcomputer is in abnormal running order.
Supposed causes
P
Out of control of microcomputer caused by external factors
P
Noise
P
Momentary fall of voltage
P
Momentary power loss
P
Defective outdoor unit PCB
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.
Replace the outdoor unit PCB.
Carry out grounding work.
The cause can be external
factors other than malfunction.
Investigate the cause of noise.
Power on again
YES
NO
Error again?
Check to see that the machine is
grounded.
NO
YES
Grounded?
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 ...