ESIE15-11A
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Part 2. Troubleshooting
1. How to retrieve error code and data?
23/09/16
Page 17
VRV4 indoor units
1.3. Wireless controller BRC4/7
1.3.1. Access to error code
If a unit stops due to an error, the operation indicating LED on indoor unit is blinking. The error code can be determined by following
the procedure described below.
No further information can be retrieved through the wireless controller BRC4/7.
1
Press the INSPECTION/TEST button to select “inspection”. The equipment enters the inspec-
tion mode. The “Unit” indication is displayed and the Unit No. display shows blinking “
0
” indica-
tion.
2
Set the Unit No.
Press the UP or DOWN button and change the Unit No. display until the buzzer (*1) is generated
from the indoor unit.
*1 Number of beeps
3 short beeps:
Conduct all of the following operations.
1 short beep:
Conduct steps 3 and 4.
Continue the operation in step 4 until a buzzer remains ON. The continuous
buzzer indicates that the error code is confirmed.
Continuous beep:
No abnormality.
3
Press the MODE selector button.
The left “
0
” (upper digit) indication of the error code blinks.
4
Error code upper digit diagnosis
Press the UP or DOWN button and change the error code upper digit until the error code match-
ing buzzer (*2) is generated.
The upper digit of the code changes as shown below when the UP and DOWN buttons are
pressed.
*2 Number of beeps
Continuous beep:
Both upper and lower digits matched. (Error code confirmed)
2 short beeps:
Upper digit matched.
1 short beep:
Lower digit matched.
5
Press the MODE selector button.
The right “
0
” (lower digit) indication of the error code blinks.
6
Error code lower digit diagnosis
Press the UP or DOWN button and change the error code lower digit until the continuous error
code matching buzzer (*2) is generated.
The lower digit of the code changes as shown below when the UP and DOWN buttons are
pressed.
0 A C E H F J L P U 9 8 7 6 5 4
"UP" button
"DOWN" button
0 1 2 3 4 5 6 7 8 9 A H C J E F
"UP" button
"DOWN" button
