“L3” Switch Box Temperature Rise - Daikin Altherma EKHBH Series Service Manual

ESIE06-03
"L3" Switch Box Temperature Rise
3.14
L3
Error code
Method of An electrical box temperature rise is detected by checking the radiation fin thermistor with the
malfunction compressor off.
detection
Malfunction With the compressor off, the radiation fin temperature is above 95°C. (Reset is made when the
decision conditions temperature drops below 80°C.)
Supposed causes
Part 3 – Troubleshooting
Fin temperature rise due to defective outdoor unit fan
Fin temperature rise due to short-circuit
Fin thermistor defective
Connector in poor contact
Outdoor unit PCB defective
Error Codes: Outdoor Units
3–33
1
3 3
4
5