Troubleshooting Based On Equipment Condition - Daikin SkyAir Super Inverter 70 D Series Service Manual

SiE25-110

3. Troubleshooting Based on Equipment Condition

3.1

Troubleshooting Based on Equipment Condition

Troubleshooting
Equipment Condition
1 Equipment does not operate.
2 Fan operates, but compressor does not.
3 Cooling/heating operation starts but stops
immediately.
4 After equipment shuts down, it cannot be
restarted for a while.
5 Equipment operates but does not provide
cooling.
6 Equipment operates but does not provide
heating.
7 Equipment discharges white mist.
8 Equipment produces loud noise or shakes. See page 117
9 Equipment discharges dust.
10 Remote controller LCD displays "88."
11 Equipment emits odor.
12 Flap operates when power is turned on.
13 Change of operation mode causes flap to
move.
14 Fan operates in "M" mode during heating
even if remote controller is set to "Low."
15 Flap automatically moves during cooling.
16 Indoor unit fan operates in "L" mode for 1
minute in microcomputer-controlled dry
mode even if compressor is not operating.
17 In simultaneous ON/OFF multi-system
setup, indoor unit (sub) does not operate in
sync with the other indoor unit (main).
(Flat, fan, etc.)
18 Indoor unit fan operates after heating
operation stops.
19 Drain pump operates when equipment is
not operating.
20 Horizontal wing sends air to different
directions in cooling and heating even if it is
set to the same position.
21 Flap remains horizontal even if it is set to
Swing.

Troubleshooting Based on Equipment Condition

Remedy
See page 108
See page 108
See page 111
See page 112
See page 113
See page 115
See page 116
See page 118
See page 119
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 prevention function or ceiling
soiling prevention function.
It is normal. The monitoring function
forcibly operates the fan for one minute.
It is normal. It is caused by a signal
transmission lag.
It is normal. The fan operates in the "LL"
mode for 60 to 100 seconds to dissipate the
residual heat in the heater.
It is normal. The drain pump continues to
operate for several minutes after
equipment is turned off.
It is normal. The airflow direction in cooling/
dry operation is different from that in
heating/fan operation.
It is normal. The flap does not swing in the
thermostat OFF mode.
107