Daikin FTX-N/U - Page 128

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FTX-N/U, FVXS-N, FDMQ-R Series EDUS091558E
3P500432-1
For wireless remote controller
1) Press
MODE
and select the COOL or HEAT operation.
2) Press
/TEST
twice. “Test” is displayed.
3) Press
ON OFF
within 10 seconds, and the test operation
starts.
Monitor the operation of the indoor unit for a minimum
of 10 minutes. During test operation, the indoor unit will
continue to cool/heat regardless of the temperature
setpoint and room temperature.
• In the case of above-mentioned procedures 1) and 2)
in reverse order, test operation can start as well.
• Test operation will stop automatically after 15 - 30
minutes.
To stop the operation, press
ON OFF
.
• Some of the functions cannot be used in the test
operation mode.
Precautions
1) Refer to “11-2 HOW TO DIAGNOSE FOR MALFUNCTION”
if the unit does not operate properly.
11-2 HOW TO DIAGNOSE FOR MALFUNCTION
• If the air conditioner does not operate normally after
installing the air conditioner, a malfunction shown in the table
below may happen.
Wired remote
controller display
Description
No display
• Power outage, power voltage error or
open-phase
• Incorrect wiring (between indoor and
outdoor units)
• Indoor PC-board assembly failure
• Remote controller wiring not connected
• Remote controller failure
• Open fuse or tripped circuit breaker
(outdoor unit)
“Checking the
connection.
Please stand
by.” *
• Indoor PC-board assembly failure
• Wrong wiring (between indoor and
outdoor units)
* “Checking the connection. Please stand by” will be displayed
for up to 90 seconds following the application of power
to the indoor unit. This is normal and does not indicate a
malfunction.
 Diagnose with the display on the liquid crystal display
remote controller.
With the wired remote controller
When the operation stops due to a malfunction, operation
lamp blinks, and the malfunction code is indicated on the liquid
crystal display. In such a case, diagnose the fault contents by
referring to Error History in the service settings menu.
In the case of group control, the unit No. is displayed so that
theindoorunitwiththetroublecanbeidentied.
With the wireless remote controller
(Refer also to the operation manual attached to the wireless
remote controller)
When the operation stops due to a malfunction the display
on the indoor unit blinks. In such a case, diagnose the fault
contents with the error code which can be found by following
procedures.
1) Press the INSPECTION/TEST OPERATION button, “
”
is displayed and “ 0 ” blinks.
2) PresstheTEMPERATURESETTINGbuttonandndthe
unit No. which stopped due to trouble.
Number of beeps
3 short beeps .................
1 short beep ..................
1 long beep ....................
Perform all the following
operations
Perform (3) and (6)
No trouble
3) Press the OPERATION MODE SELECTOR button and
uppergureoftheerrorcodeblinks.
4) Continue pressing the TEMPERATURE SETTING button
untilitmakes2shortbeepsandndtheuppercode.
5) Press the OPERATION MODE SELECTOR button and
lowergureoftheerrorcodeblinks.
6) Continue pressing the TEMPERATURE SETTING button
untilitmakesalongbeepandndthelowercode.
•A long beep indicate the error code.
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