Control Assembly: Description and Operation
PANEL DIAGNOSIS SYSTEMIf a trouble occurs in A/C system, the specified lamp on the control panel starts blinking during the diagnostic sensor check.
During system diagnosis, a trouble is indicated on the panel by the blinking of a specified light instead of a code display. (See TROUBLE CODE CHART) Heating and Air Conditioning
Panel Diagnosis System:
For example, when a trouble occurs in solar sensor circuit, the LED for DEF mode switch will be blinking during the diagnostic sensor check.
WARNING FOR A/C COMPRESSOR LOCK
If compressor lock occurs during air conditioning operation, the [A/C] switch indicator on the air conditioning control assembly starts blinking.
When this occurs, check for compressor lock using panel diagnosis check then proceed to inspect the circuit or the component.
OPERATION METHODS
Operation Methods:
By operating each of the air conditioning control switches as shown in the figure, it is possible to enter the diagnosis check mode.