Bosch BIVA20-60 Error Codes

Updated October 13, 2026 · by Aurora Star Tech Inc.

Bosch BIVA20-60 error codes and diagnostic codes (also listed as BIVA20 60, BIVA2060). The BIVA20-60 is a Bosch air handler in the Bosch IDS Plus/Premium air handler series.

Homeowner with a air handler problem? Call (647) 657-2977 or book a service call — licensed technicians across Vaughan and the GTA.

Bosch BIVA20-60 error codes list

Code	Meaning	Severity
2 flashes	Indoor T2 sensor fault	Medium
3 flashes	Refrigerant sensor fault	Medium
4 flashes	Refrigerant sensor communication fault	Medium
5 flashes	Indoor-to-outdoor communication fault	High
8 flashes	Refrigerant sensor past service life	Low
Continuous flashing	R-454B refrigerant leak protection	Critical
LED off	Power supply failure	High

All Bosch Air Handler error codes →

General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.

Bosch BIVA20-60 error codes list

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