Daikin VRV IV-S RXTQ-TAVJU Series Service Manual page 75

SiUS331604E
6.7.3 If the Float Switch is ON with the Thermostat OFF in Cooling Operation
When the float switch turns ON, the drain pump turns ON simultaneously.
If the float switch remains ON even after the residual operation of the drain pump has ended, the error code
A3 is displayed on the remote controller.
The drain pump turns OFF once residual operation has ended, then turns ON again after 5 seconds.
6.7.4 If the Float Switch Turns ON and OFF Continuously, or the Float Switch
Turns ON While AF Displayed
Float switch
Thermostat
(running)
Error display
Drain pump
When the float switch turns ON, the drain pump turns ON simultaneously.
∗1: If the float switch continues to turn ON and OFF 5 times consecutively, it is judged as a drain system error
and the error code AF is displayed on the remote controller.
∗2: The drain pump continues to turn ON/OFF in accordance with the float switch ON/OFF even after AF is
displayed on the remote controller.
∗3: While the error code AF is displayed, if the float switch remains ON even after the residual operation of the
drain pump has ended, the error code A3 will be displayed on the remote controller.
Functions and Control
ON
Float switch
OFF
ON
Thermostat
(running)
OFF
ON
Error display
OFF
ON
Drain pump
OFF
ON
OFF
1st 2nd
ON
OFF
ON
OFF
ON
OFF
5 min. 5 min.
A3
5 min. 5 sec.
∗1
3rd 4th 5th
AF
5 min. 5 min. 5 min.
Outline of Control (Indoor Unit)
∗2 ∗3
A3
5 min. 5 min. 5 sec.
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