Daikin VRV R-407C PLUS Series, Service Manual

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Troubleshooting by Remote Controller SiE 00-07
118 Troubleshooting R-407C PLUS Series
2.3 Self-diagnosis by Wireless Remote Controller
In Case of BRC7A~
Type
If operation stops due to malfunction, the light reception section operation LED blinks. The malfunction
code can be decided by the following procedure. (If operation stops due to malfunction, you can find out
the cause by checking the malfunction code, or you can find out what the most recent malfunction code is
during normal operation.)
1. Push INSPECTION/TEST, and select “inspection.”
Operation then enters the inspection mode. “UNIT” lights and unit No. display “0” blinks.
2. Unit No. setting
Change the unit No. by pushing the “advance” or “backward” button, and continue pushing until the
buzzer (*1) sounds from the indoor unit.
*1 Buzzer sound times
3 times : Carry out all of the following operations.
1 time : Carry out operations 3 and 4. Carry out operation 4 until the buzzer sounds continuously.
When the buzzer sounds continuously. The malfunction code is set.
Continuous : There is no malfunction.
The upper digit of the code changes as shown below by pushing the “advance” or “backward” button.
3. Push the operation mode selector button. The “0” (upper digit) on the left side of the malfunction code
blinks.
4. Malfunction code upper digit diagnosis Push the “advance” or “backward” button until the malfunction
code matching buzzer (*2) sounds and select the malfunction code upper digit.
*2 Buzzer sound times
Continuous : Both upper and lower digit agree. (Malfunction code set)
2 times : Upper digit agrees
1 time : Lower digit agrees
5. Push the operation mode selector button.
The “0” (upper digit) on the right side of the malfunction code blinks.
6. Malfunction code lower digit diagnosis Push the “advance” or “backward” button until the malfunction
code matching buzzer sounds continuously, and select the malfunction code lower digit.
The lower digit of the code changes as shown below by pushing the “advance” or “backward” button.