Daikin VRV IV+, Service Manual

Page: 19 / 476

2 | Troubleshooting
Service manual
19
REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05
2.2.4 Via the wireless controller BRC4/7
To retrieve the error code
e
c
d
b
a
g
f
a INSPECTION/TEST button
b Unit No.
c UP button
d DOWN button
e MODE button
f Left digit
g Right digit
1 Press and hold INSPECTION/TEST button for 5 seconds.
Result: The "unit indication" is displayed on screen and Unit No. is displayed
as "0", blinking.
2 Set the Unit No. via UP/DOWN buttons until a buzzer sound* is generated
from the indoor unit.
Result: *Possible buzzer sounds:
- 3 short beeps; conduct all items of the following procedure.
- 1 short beep; conduct steps 3 and 4. Continue the operation in step 4 until the
buzzer sounds continuously.
- Continuous buzzer; indicates the error code is confirmed.
3 Press the MODE button.
Result: The left digit of the error code on display will blink.
4 Press UP/DOWN buttons to change the left digit of the error code.
Result: The left digit changes as indicated below.
UP button
DOWN button
5 Continue to change until the matching buzzer sound** is generated.
Result: **Possible buzzer sounds:
- Continuous buzzer; both digits match with the error code.
- 2 short beeps; left digit matches with the error code.
- 1 short beep; right digit matches with the error code.
6 Press the MODE button.
Result: The right digit of the error code on display will blink.