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2.10.5
SELF-DIAGNOSIS FUNCTION IN DISPLAY MONITOR
If there are problems on the input circuit of the driving line in the motor actuator, they can be checked on the panel
display.
<Display for detection of motor actuator disconnection/short circuit and motor lock>
Error
Error
Air mix
∙ Displays "Er" on temperature display segment
Air outlet mode
∙ Blinks human indication
Switching
recirculation air
and fresh air
∙ Blinks indicators of recirculation air selector switch and fresh air
selector switch
When a failure occurs in the input circuit of the evaporator sensor or the recirculation air sensor, it can be checked
by the panel display.
<Display for detection of disconnection/short circuit of recirculation air sensor and evaporator sensor>
Error
Error
Recirculation air
sensor
∙ Displays "E* on temperature display (last digit displays 0 to 9)
∙ Turns off AUTO display
ZZ
Evaporator sensor
∙ Blinks A/C mark on (temperature/A/C) LCD display and indicator of
compressor switch
Error detection of each sensor from monitor mode function
• With the panel turned ON, if the compressor switch and the AUTO control switch are pressed simultaneously for
1 second or more, the display is switched to the monitor mode. To return to the previous display, perform the
same operation.
• The normal status, disconnection, and short circuit of the recirculation air sensor and the evaporator sensor are
shown in segment display.
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