Bosch Climate 5000 Series Service Manual page 61

7.6.6 Refrigerant Leakage Detection diagnosis and solution (EL 0C)
Error Code
Malfunction decision conditions
Supposed causes
Table 35
Troubleshooting:
Figure 80
Bosch Climate 5000 Series Ducted Type (Medium & High Static) Air Conditioner / Heat Pump (11.2022)
EL 0C
Judging the abnormality of the refrigeration system according to the number of compressor stops and
the changes in operating parameters caused by excessive exhaust temperature.

T1 or T2 sensor faulty

Indoor PCB faulty

System problems, such as leakage or blocking
Service Manual
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