With Optional Infrared Presence/Floor Sensor - Daikin VRV S RXQ4/5ARV1 Service Manual

SiAF332111E
2.1

With Optional Infrared Presence/Floor Sensor

1 Louver operation different from setting
Individual airflow direction setting different from the actual
2
airflow direction
3 While not operating, the louver does not close completely.
The remote controller menu does not display energy saving
operating mode for when people are not present.
The remote controller menu does not display the stop function
4
for when people are not present.
The remote controller menu does not display the automatic
draft prevention function.
The menu does not display the eco-friendly display function.
5
During cooling and dry operation, the louver automatically
6 switches from horizontal (P0) to one-level downward (P1).
Although people are not present, the infrared presence sensor
detects human presence.
7
Although people are present, the infrared presence sensor fails
to determine their presence.
8
Large difference between floor temperature and actual
temperature
9
Error diagnosis of "Louver operation different from setting"
Part 6 Service Diagnosis
Problem
Is the individual
airflow set?
NO
Is the
airflow direction set to
automatic?
NO
Is the connection
of the step motor
connector normal?
NO
Refer to the flowchart below.
Check the "Louver operation different from setting" error
diagnosis.
Turn off the circuit breaker and then turn it on again.
Please check Infrared presence floor sensor error
(CE) in troubleshooting.
No defect.
Set the clock.
No defect.
When relative ambient humidity is higher, automatic louver
control will be activated.
Check if there are any objects that generate temperature
change when moving.
For example:
· An electric heater with swing function
· Doors, curtains, blind switches
· Output of paper from a fax machine or a printer
· Turning on/off of incandescent lights
· Moving objects
Check for the following conditions.
· Lack of movement
· Facing away from the sensor
· Little skin exposed
· Slight movement in a place far from the sensor
Check for the following conditions.
· Sensor detection zone affected by solar radiation
· High or low temperature objects in the sensor detection
zone
· Large difference between floor temperature and
temperature of the living space
· Sensors installed near walls may be affected by wall
temperature.
YES
Is the
YES
automatic draft prevention
function "enabled"?
NO
Is the
YES
wire harness
broken?
NO
Symptom-based Troubleshooting
Measure
Normal
Reset (Cancel)
individual airflow.
YES
Normal
Automatic draft
prevention function
switches flap to
horizontal position
when human
presence is detected.
YES
Replace the wire
harness.
Replace the step
motor. (Motor failure)
Connect to the
connector
correctly before
action verification.
181