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Troubleshooting
Service manual
20
REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05
7
Press UP/DOWN buttons to change the right digit of the error code.
Result:
The right digit changes as indicated below.
UP button
DOWN button
8
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.
To check the error history
INFORMATION
It is not possible to acces the error history with the wireless controller BRC4/7.
2.2.5 Via the wired remote control BRC1D
To retrieve the error code
a
d
e
c
b
f
a
Remote controller’s operation LED
b
Error code
c
Inspection display
d
TEST button
e
Unit No.
f
Temperature set button
If operation stops due to a malfunction, the remote controller’s operation LED will
blink and an error code will be displayed.
The error code will stay available at inspection mode even after forced off
operation or after the error is reset.
The inspection display and error code blink while an error is active.
To access the error code while in normal operation; follow the procedure below:
1
Press TEST button once.
Result:
Error code for corresponding Unit No will be displayed.
2
Press TEST button.
Result:
Indoor unit model code will be displayed.
Summary of Contents for VRV IV+
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