Cycle main power breakers; contact a technician if it persists. Fan Motor Overload Check for debris blocking the indoor blower wheel. C4 Liquid Pipe Thermistor Failure Requires sensor replacement by a certified technician. E3 High-Pressure System Trip Clean dirty outdoor coils and verify outdoor fan function. U4 Indoor/Outdoor Communication Error Check structural signal wiring connections between units. How to Reset an Error Code
If you are moving out or have messed up schedules, reset the BRC4M150W to its original state:
While this guide covers 95% of what you need, the official manual includes wiring diagrams and advanced service menus. You can download the PDF by:
: Prioritizes dehumidification with low-speed cooling. daikin ac remote brc4m150w manual
Press the button once to display the fault code. Note the two-character code (e.g., A6, E3, U4). Common Daikin Error Codes A1 : Indoor unit PCB defect. Turn off power and restart. A6 : Indoor fan motor overload or failure. C4 : Liquid pipe thermistor error.
Switches between Cool, Heat, Dry, Fan, and Auto modes. FAN Speed Button: Adjusts air flow rate. 2. Operation Manual: Key Functions Starting/Stopping the Unit
interface is divided into basic buttons (accessible while closed) and advanced programming buttons (hidden under a sliding cover). Primary Operation Buttons Cycle main power breakers; contact a technician if
Use the arrows to set your preferred temperature. FAN: Adjust the airflow speed to High, Medium, or Low. Air Flow Direction Adjustment
You can download the manual for the Daikin BRC4M150W remote control from the Daikin website or other online sources. Here's how:
: Switches between available heating, cooling, and ventilation profiles. E3 High-Pressure System Trip Clean dirty outdoor coils
: Toggles between available airflow volumes.
Once you have a working remote, operating your Daikin AC is straightforward.
A: This is a feature, not a bug. Daikin units use a "Hot Start" function. The indoor fan waits until the coils are warm enough to blow hot air to prevent a cold draft. Wait 2–4 minutes.