79
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
To Next Page
Loading...
Need help?
General
