Troubleshooting Based On Equipment Condition - Daikin Skyair FHC35K Service Manual

Si-71A

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.
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. It is normal. There is a control function that
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 (slave) does not operate in sync with
the other indoor unit (master). (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. It is normal. The flap does not swing in the

Troubleshooting Based on Equipment Condition

Remedy
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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.
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 dirtiness
reducing 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/
ventilation operation.
thermostat OFF mode.
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