The display will change to show a two-digit error code (e.g., "C4" often refers to an indoor heat exchanger thermistor issue) accompanied by a long beep.
If you aren't sure what mode your air conditioner is actively running in, check the icons on the digital display: Snowflake Symbol : Cool Mode. Best used for standard summer cooling. Dark Sun Symbol : Heat Mode. Engages the reverse-cycle heating for winter. Two Droplets Daikin Brc4c160 Manual
Warms the space (available for heat pump systems). The display will change to show a two-digit error code (e
: Requires two AAA alkaline batteries . Replace them by sliding off the front cover of the remote. Daikin Brc4c160 Manual
The manual provides guidelines for maintaining the BRC4C160, including: