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Maintenance
Touch panel cleaning screen
To clean the touch panel
This screen allows the user to wipe the touch screen without accidentally changing the settings.
1. Touch the
icon on the Main Menu to bring up the screen shown above.
2.
When done cleaning the touch panel, touch the four numbers in the corners 1, 2, 3, and 4 in that order
to return to the Main Menu.
•
The four numbers must be touched in the correct order. If you touch the numbers in the wrong order,
start over from 1.
• Wipe with a soft dry cloth, a cloth soaked in water with mild detergent, or a cloth dampened with
ethanol. Do not use acidic, alkaline, or organic solvents.
Troubleshooting
Problem
The indicator on the Collective ON/OFF button is blinking.
Solution
Touch Main Menu > System Management >
Status List. On the Malfunction tab, check the
error code and the error source address on the
screen, and consult your dealer.
Problem
is displayed on the screen.
Solution
Touch Main Menu > System Management >
Status List. On the Malfunction tab, check the
error code and the error source address on the
screen, and consult your dealer.
Problem
A Filter Sign is displayed on the screen.
Solution
Touch Main Menu > System Management >
Status List.
On the Maintenance Sign tab, check the
address on the screen. Clean the filter on the
unit whose Filter Sign is on according to the
instructions in the manual for the applicable
unit.
Problem
“Emergency Stop (Level-signal)” is displayed on the screen, and the controller does not respond to the ON/
OFF button.
If the external input interface receives an
emergency stop signal, all indoor units,
LOSSNAY, and Air To Water (PWFY) units that
are controlled by the TC-24B will stop. The
TC-24B controller, low-level system controllers,
or local remote controllers will not respond until
the emergency stop signal input is removed.
When the emergency stop signal is removed,
the operation status before the signal was
received will be restored.