Panasonic CS-F24DTE5, Service Manual, Page: 74 / 145

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10.6.5. Test operation
• Check once more that the remote control cable is securely connected. (Check for loose terminals, poor contacts, connection
positions terminal block, etc.)
• If the above checks show that nothing is wrong but nothing appears on the remote controller display.
• It is possible that the remote controller was connected while the main power was still turned on. If such is the case, carry out the
following.
• Set DIP switch (SW2) No. 1 to 4. The ON position, and then turn on the main power. If the display appears after about 30
seconds, turn DIP switches 2 to 4 to OFF position.
10.6.6. Self-diagnosis function
• If the “CHECK” display on the wired remote controller is blinking, the details of the problems are displayed on the timer display
screen each time the CHECK switch is pressed.
• Further details of the problem can be displayed by pressing the SET switch while the general problem details are being
displayed.
• Turn on the main power.
• After 3 minutes have passed since the power was turned on, press the OFF/ON switch on the remote controller. (No operation occurs within 3
minutes after the power was turned on.)
• Press the TEST RUN switch within 1 minute of pressing the OFF/ON switch.
• Next, select the operation mode. (Be sure to select cooling mode first, and run the unit in this mode for 5 minutes
or more.)
• Press the OFF/ON switch or the TEST RUN switch to cancel test operation.
• Test operation will be cancelled automatically after 30 minutes.
If remote controller displays nothing
If “CHECK” is blinking on the timer
Example of current problem display