Before Contacting Us: Troubleshooting - Daikin DCS004A51 Operation Manual

9.

BEFORE CONTACTING US: TROUBLESHOOTING

Air conditioners are not operational, although I did not click
the stop button on the web interface.
Air conditioners are operational, although I did not click the
start button on the web interface.
The temperature setting and/or operation mode of the air
conditioner were changed, although I did not change these
settings on the web interface.
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Problems Possible Reasons and Solutions
The most likely causes are:
1. The air conditioners were stopped using the local remote con-
trollers.
2. The air conditioners were stopped from the intelligent Touch
Controller console or any centralized controller.
3. A power failure occurred.
4. A schedule program set via the web interface stopped the air
conditioners.
5. The Heating Optimization function of the intelligent Touch
Controller stopped the conditioners.
In the HEAT operation mode room temperature may increase
if thermostats do not work. The function prevents this problem
by automatically stopping air conditioners.
For more information, refer to the intelligent Touch Controller
operation manual.
The most likely causes are:
1. The air conditioners were started using local remote
controllers.
2. The air conditioners were started from the intelligent Touch
Controller console or any centralized controller.
3. A schedule program set via the web interface started the con-
ditioners.
4. The Temperature Limit function of the intelligent Touch Con-
troller started the air conditioners.
This function prevents room temperature from becoming
extremely high or low by automatically starting air condition-
ers when a specified temperature threshold is exceeded.
For more information, refer to the intelligent Touch Controller
operation manual.
The most likely causes are:
1. The settings were changed using the local remote controllers.
2. The settings were changed from the intelligent Touch Control-
ler console or any centralized controller.
3. A schedule program set via the web interface changed the
settings.
4. The Change Over function of the intelligent Touch Controller
changed the settings.
This function maintains optimal room temperature by auto-
matically changing the operation mode and/or temperature
setting according to the changing environment conditions.
For more information, refer to the intelligent Touch Controller
operation manual.
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