Daikin Stylish Series Service Manual page 4

1 Troubleshooting
4.3 To clean the air filters ................................................................ 56
5 Technical data
5.1 Detailed information setting mode............................................. 57
5.1.1 Detailed information setting mode: Indoor unit ........... 57
5.1.2 Detailed information setting mode: Outdoor unit......... 57
5.1.3 Detailed information setting mode: Remote controller
5.2 Wiring diagram .......................................................................... 58
5.2.1 Wiring diagram: Indoor unit......................................... 58
5.2.2 Wiring diagram: Outdoor unit ...................................... 59
5.3 Piping diagram .......................................................................... 61
5.3.1 Piping diagram: Indoor unit ......................................... 61
5.3.2 Piping diagram: Outdoor unit ...................................... 62
5.4 Component overview................................................................. 64
5.4.1 Component overview: Indoor unit ............................... 64
5.4.2 Component overview: Outdoor unit ............................ 66
5.5 Field information report ............................................................. 68
5.6 Field settings ............................................................................. 71
5.6.1 To control heating only mode...................................... 71
5.6.2 To adjust target set temperature in heating operation
5.6.3 To control the indoor unit fan during thermostat off .... 71
5.6.4 To change auto restart ON to OFF ............................. 71
5.6.5 To control cooling mode only ...................................... 71
5.7 Service tools.............................................................................. 72
1 Troubleshooting
1.1 To display the error code on the
user interface
1 Hold for about 5 seconds.
Result: blinks in the temperature display section.
2 Press repeatedly until a continuous beep is heard.
Result: The code is now displayed on the display.
INFORMATION
▪ A short beep and 2 consecutive beeps indicate non-
corresponding codes.
▪ To cancel the code display, hold the
button for 5 seconds. The code will also disappear from
the display if the button is NOT pressed within
1 minute.
1.2 To reset the error code via remote
controller
Prerequisite: Problem is solved.
1 Press the ON/OFF button of the remote controller to reset the
error.
1.3 To reset the error code via outdoor
unit
Prerequisite: Problem is solved.
1 Perform a power reset to reset the error code.
1.4 To perform a test run
Prerequisite: Power supply MUST be in the specified range.
Prerequisite: Test run may be performed in cooling or heating
mode.
Service manual
4
Prerequisite: Test run should be performed in accordance with the
operation manual of the indoor unit to make sure that all functions
57
and parts are working properly.
1 In cooling mode, select the lowest programmable temperature.
In heating mode, select the highest programmable temperature.
Test run can be disabled if necessary.
57
2 When the test run is finished, set the temperature to a normal
level. In cooling mode: 26~28°C, in heating mode: 20~24°C.
3 The system stops operating 3 minutes after the unit is turned
OFF.
INFORMATION
▪ Even if the unit is turned OFF, it consumes electricity.
▪ When the power turns back on after a power break, the
previously selected mode will be resumed.
1.4.1 To perform a test run using the user
interface
71
1 Press to switch the system on.
2 Press , and
3 Press , select
Result: Test run operation will stop automatically after about
30 minutes.
4 To stop operation sooner, press
1.5 Error based troubleshooting
1.5.1 A1-00 - PCB abnormality
Trigger Effect
The system CANNOT Unit will stop
set the internal operating.
settings.
To solve the error code
INFORMATION
cancel
It is recommended to perform the checks in the listed
order.
1 Check for improper combination of the indoor unit and the
outdoor unit. See the combination table in the Databook for
more information.
2 Perform a check of the power supply, connections, wiring,...
between the outdoor unit and the indoor unit. See
supply" on page 52.
Possible cause: Faulty wiring between the outdoor unit and
the indoor unit.
3 Check if the power supply is conform with the regulations. See
"3.1 Power supply" on
Possible cause:
▪ Faulty or disturbance of the power supply (imbalance
>10%),
▪ Power drop,
▪ Short circuit.
4 Perform a check of the indoor unit PCB. See
PCB" on page 30.
Possible cause: Faulty indoor unit PCB.
INFORMATION
If all procedures listed above have been performed and the
problem is still present, contact the helpdesk.
(C)(F)TXA15~50A2V1B(W)(S)(T) + RXA42+50A2V1B +
simultaneously.
and press .
.
Reset
Power reset via
outdoor unit.
"3.1 Power
page 52.
"2.8 Indoor unit
RXA20~35A2V1B
Split Stylish R32
ESIE18-03 - 2018.09