Troubleshooting - Panasonic CZ-256ESMC2 Operation Manual

12 Supplementary Information
IMPORTANT
• Microsoft and Windows CE are trademarks of Microsoft Corporation in the United States and other
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Other products names are trademarks or registered trademarks of their respective holders, or
copyrights of their respective holders.
• Duplication of all or part of the software and documentation of this product without the express
consent of the holder of the rights to the above, and transfer of the software to another party, are
prohibited by law.
• We will not be liable for any loss, lost pro ts, or any incidental damages due to use of this product or
the supplied software. We will not be liable to any claim based on a third-party claim.
Even in the case of errors in calculations of distribution ratios, and so on, we will not be responsible
for any remedies.
• The software supplied with this product may not be used on any other equipment.
• This product and the supplied software are subject to change without notice.
The contents of this manual are subject to change without notice.
• We will not be liable for any violation of the rights of any third party stemming from use of information
in this manual, or for violation of other rights.
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13 Troubleshooting

Before requesting service, check the following items.
Do not attempt to service the Intelligent Controller yourself. Doing so can be dangerous.
Symptom
• Is the power cord connected?
Nothing appears on the screen when the
• Is the power switch set to on?
computer is turned on.
• Is timer operation set to the target unit? Operation of a selected
Timer operation does not work.
timer does not start if the setting is not set the target unit.
• Does the setting match the current date and time?If the
date and time do not match, operation can start at an
unexpected time. (See "6.3.2 Setting the date, cut-off date,
and distribution ratio calculation method")
• Check the group settings and tenant settings.
The distribution ratio is always 100%.
• Distribution rate calculations always result in 100% if there
is only one tenant registered in a distribution group, or if
there is only one indoor unit in a tenant.
• The screen may be blank because of the power-saving auto
The power goes off at odd times.
off function. The Intelligent Controller is still powered on.
Touch the screen to restore the display.
• Regardless of the selected auto off time, the screen may be
turned off when the Intelligent Controller boots.
• The message displays the unit where the alarm occurred,
There is an alarm message in the
noti cation bar at the bottom of the screen and the alarm number. Inform your dealer or service
that will not go away. provider about the content of the message.
Backing up to a PC Card does not work. • Data can be backed up only to the special PC Cards (option)
for the Intelligent Controller. Backup to other PC Card types
is not possible.
It takes a long time after an operation for • A certain amount of time may be required depending on the
the screen to be updated. state of communications with the connected air conditioners.
Please wait until all of the information is received.
• In rare cases there may be a dot on the screen which
LCD display
is always on or always off. This is not a malfunction.
Due to the nature of LCD displays, there may be some
color bleeding in certain areas because of variations in
temperature and so on.
This is normal and not a malfunction.
Nothing happens when an operation button • Over extended use, the touch positions and display
is pressed. positions on the touch panel may get out of alignment.
( "6.8.9.7. Calibrating touch panels")
• Emergency operations until our service person arrives:
When local remote control operation is
prohibited on the Intelligent Controller, Power off the Intelligent Controller and externally installed
the Intelligent Controller is not able to communication adaptor; re-power on the indoor unit. Operation
start/stop operation of a malfunctioning air with the local remote control will be possible. However, this
conditioner. cannot be done in a remote control free system.
• The Intelligent Controller does not power on equipment
A power outage occurred. When it
ended, the equipment did not come on automatically by program timer after a power outage. The
automatically according to program timer setting for the next programmed time will be executed when
settings. the time arrives.
The Intelligent Controller cannot detect a • Try using the "Check con guration" button in the "Other
single indoor unit. Or it cannot nd all of
settings" screen (
them.
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Cause
6 9
6 9
).
Main Sub