10.2.3. List of the U/H/F Error Displays
Display
Diagnosis Description FL display
U12 Remote control
mode error
Display appears when main unit and remote
controller modes are not matched.
U14 Abnormal inner
temperature
detected
Display appears when the drive temperature
exceeds 71Åé. Main unit is powered off
forcibly. For 30 minutes after this, all key
entries are disabled. (Fan motor operates at
the highest speedforthe first 5 minutes. For
the remaining 25 minutes, fan motor is also
stopped.) The event is saved in memory as
well.
Displayed from the time
detection and while key
disabled after power-off (
minutes).
U99 Hang-up Displayed when microprocessor has hang-
up.
Remains displayed.
H01 Inoperative fan
motor
Display appears when inoperative fan motor
is detected after powered on.
Remains displayed.
F00 No error
information
Initial setting for error code in memory
(Initialization is possible with error code
initialization and main unit initialization.)
Remains displayed.
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