“E8” Input Over Current Detection - Daikin Altherma EKHBH Series Service Manual

ESIE06-03
"E8" Input Over Current Detection
3.6
E8
Error code
Method of An input over-current is detected by checking the input current value being detected by CT with the
malfunction compressor running.
detection
Malfunction
decision conditions
Supposed causes
Part 3 – Troubleshooting
The following CT input with the compressor running continues for 2.5 seconds.
CT input: Above 20 A
The system will be shut down if the error occurs 16 times.
Clearing condition: Continuous run for about 5 minutes (normal)
Over-current due to compressor failure
Over-current due to defective power transistor
Over-current due to defective inverter main circuit electrolytic capacitor
Over-current due to defective outdoor unit PCB
Error detection due to outdoor unit PCB
Over-current due to short-circuit
Error Codes: Outdoor Units
3–17
1
3 3
4
5