Faults Without Indication - Bosch Climate 3000i Installation Instructions Manual

5.2

Faults without indication

Error
The output of the indoor unit is too low.
Outdoor unit or indoor unit is not working.
Outdoor unit or indoor unit starts and stops
continuously.
Table 11
Climate 3000i – 6721823680 (2021/02)
Possible Cause
Heat exchanger of outdoor or indoor unit soiled. ▶ Clean heat exchanger of outdoor or indoor
Lack of refrigerant
No power
RCD or fuse Fuse has tripped.
Insufficient refrigerant in the system.
Too much refrigerant in the system.
Moisture or impurities in the refrigerant circuit.
Voltage fluctuations too high.
Defective compressor.
Remedy
unit.
▶ Check tightness of pipes, reseal if required.
▶ Refill refrigerant.
▶ Check power connection.
▶ Power on the indoor unit.
▶ Check power connection.
▶ Check RCD or fuse.
▶ Check tightness of pipes, reseal if required.
▶ Refill refrigerant.
▶ Remove refrigerant with refrigerant recovery
unit.
▶ Evacuate refrigerant circuit.
▶ Fill with new refrigerant.
▶ Install voltage regulator.
▶ Replace compressor.
Troubleshooting
61