Symptom-Based Troubleshooting; 2.1 Overview - Daikin R71FUV1 Service Manual

Symptom-based Troubleshooting

2. Symptom-based
Troubleshooting

2.1 Overview

Symptom
1 Equipment does not operate.
Indoor unit fan operates, but
2
compressor does not operate.
Cooling/heating operation starts
3
but stops immediately.
After unit shuts down, it cannot
4
be restarted for a while.
Equipment operates but does
5
not provide cooling.
Equipment operates but does
6
not provide heating.
Equipment discharges white
7
mist.
Equipment produces loud noise
8
or vibration.
9 Equipment discharges dust.
Remote controller LCD displays
10
"88".
11 Equipment emits odor.
Flap operates when power is
12
turned ON.
Change of operation mode
13
causes flap to move.
Fan operates in "M" tap during
14 heating even if remote controller
is set to "L" tap.
Flap automatically moves during
15
cooling.
Details of Measures
Refer to P.31
Refer to P.33
Refer to P.36
Refer to P.38
Refer to P.41
Refer to P.44
Refer to P.47
Refer to P.49
Refer to P.52
Refer to P.53
Room smell and cigarette odors
accumulated inside the indoor
unit are discharged with air.
Inside of the indoor unit must be
cleaned.
It is normal.
The flap initializes for accurate
positioning.
It is normal.
There is a control function that
moves the flap when operation
mode is changed.
It is normal.
It is caused by the activation of
the overload control (airflow shift
control).
It is normal.
It is caused by the activation of
the dew condensation
prevention function or ceiling
soiling prevention function.
Si20-701_B
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