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10. Self-Diagnosis and Special Mode Setting
10.1. Self-Diagnosis Functions
Self-Diagnosis Function provides information for errors to service personnel by "Self-Diagnosis Display" when any error has occurred.
U14, H** and F** are stored in memory and held.
Display on FL will be cancelled when the power is turned off or AC input is turned off during self-diagnosis display is ON.
Error
Diagnosis contents
Code
U12
Remote control code
error
U14
Abnormal inner
temperature detected
Description
Display appears when main unit
and remote controller codes are
not matched.
Display appears when the drive
temperature exceeds 70°C.
The power is turned off forcibly.
For 30 minutes after this, all key
entries are disabled. (Fan motor
operates at the highest speedfor
the first 5 minutes. For the
remaining 25 minutes, fan motor
is also stopped.) The event is
saved in memory as well.
Monitor
FL display
Display
No display
"*" is remote controller
code of the main unit.
Display for 5 seconds.
No display
"U14" is displayed for 30
minutes.
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