21
EG
Troubleshooting
Before requesting servicing, check the following.
If trouble persists despite taking the above action, stop the schedule timer, turn off the unit and report the serial
number and problem to your dealer. Never service the unit yourself as this is dangerous.
Trouble
Cause/Remedy
blinks on the display.
The schedule timer is performing initial
communications with connected indoor units. Wait for
communications to finish.
Air conditioners do not operate as scheduled when
the set time comes.
The timer has been disabled. (Refer to page 17)
A holiday has been scheduled. (Refer to page 16)
Air conditioners can be started and stopped from
the remote controller even though the program
disables remote controller operation.
Power to the air conditioner was lost and
subsequently restored. (Refer to page 20)
blinks in the present time display area.
Power to the air conditioner was lost for a long period
of time. Set the present time and today’s day of the
week again. (Refer to page 6 and 7)
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OI-915-21-EG
915_TCB-EXS21E.book Page 21 Wednesday, August 1, 2007 1:26 AM
Summary of Contents for TCB-EXS21TLE
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