SiUS281117
Troubleshooting by Remote Controller
104
Service Diagnosis
2.4
Error Codes - Sub Codes
If an error code like the one shown below is displayed when the navigation remote controller
(BRC1E71) is in use, make a detailed diagnosis or a diagnosis of the relevant unit referring to
the attached list of detailed error codes.
2.4.1 Indoor Unit
Error code
Troubleshooting
Description of error
Description of diagnosis
A6 - 01
Fan motor locked
A locked fan motor current has been detected.
Turn the fan by hand to check for the connection of
connectors.
A6 - 10
Fan overcurrent error
A fan motor overcurrent has been detected.
Check for the connection of the connector between the fan
motor and the PCB for the fan. If the connection is normal,
replace the fan motor. If this still cannot solve the error,
replace the PCB for the fan.
A6 - 11
Fan position detection error
An error in the detection of position of the fan motor. Check
for the connection of the connector between the fan motor
and the PCB for the fan. If the connection is normal, replace
the fan motor. If this still cannot solve the error, replace the
PCB for the fan.
AH - 03
Transmission error (between the self-cleaning
decoration panel and the indoor unit)
[when the self-cleaning decoration panel is
mounted]
Check for the connection of the harness connector between
the panel PCB and the indoor unit PCB.
AH - 04
Dust detection sensor error
[when the self-cleaning decoration panel is
mounted]
Check for the connections of the connector X12A on the
panel PCB and the connectors X18A and X19A on the
sensor PCB.
AH - 05
Dust collection sign error
[when the self-cleaning decoration panel is
mounted]
Check for clogging with dust at the dust collection port as
well as in the brush unit, S-shaped pipe, and dust box.
Furthermore, check for any stains of the light receiving and
emitting parts of the infrared unit.
AH - 06
Air filter rotation error
[when the self-cleaning decoration panel is
mounted]
Check for anything getting in the way of rotating the filter
(e.g. the filter comes off or the drive gear is clogged with
foreign matters).
AH - 07
Damper rotation error
[when the self-cleaning decoration panel is
mounted]
The damper does not rotate normally. Check for any foreign
matters around the damper and for the operation of the gear
and limit switch.
AH - 08
Filter self-cleaning operation error
[when the self-cleaning decoration panel is
mounted]
The unit has not yet completed the filter self-cleaning
operation even after the lapse of specified period of time.
Check for any external noise, etc.
C6 - 01
Faulty combination of indoor unit PCB and fan
PCB
A combination of indoor unit PCB and fan PCB is faulty.
Check whether the capacity setting adaptor is correct and
the type of the fan PCB is correct.
