Troubleshooting with LED SiBE121123_A
137 Service Diagnosis
BRC7E530W
In case of wireless remote controller, a signal receiver PCB and a display PCB are installed on
indoor unit.
When the error occurs, the operation lamp on the display PCB blinks.
Caution: When operation stops suddenly and the operation lamp blinks, it could be "operation mode
conflict".
Check followings;
Are the operation modes all the same for the indoor units connected to multi system outdoor unit?
If not, set all the indoor units to the same operation mode and confirm that the operation lamp is
not blinking.
Moreover, when the operation mode is automatic, set all the indoor unit operation mode as
"cooling" or "heating" and check again if the operation lamp is normal.
If the lamp stops blinking after the above steps, there is no malfunction.
Operation stops and operation lamp blinks only for indoor unit which different operation mode
is set later. (The first set operation mode has priority.)
Service Monitor The indoor unit has one green LED (LED A) on the control PCB. When the microcomputer
works in order, the LED A blinks.
1.2 Outdoor Unit
The outdoor unit has one green LED (LED A) on the PCB. When the microcomputer works in
order, the LED A blinks.
Floor Standing Type: FVXG Series Floor / Ceiling Suspended Dual Type
Duct Connected Type
BRC1D528 BRC1E51A7
(R14646)
Operation lamp
(green)
Operation lamp (green)
(R11688)
Operation lamp (green)
(Q0340)
Operation lamp (red)
(R12851)
Operation lamp (green)
(R18420)
+ The error or warning message also
blinks on the basic screen.
+
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