Indicator does not Illuminate [03/2017 - 06/2017]: Description

If none of the switch indicators on the air conditioning control panel (radio and display receiver assembly)*1 or air conditioning control assembly*2 illuminate, the following suspected areas may be the cause.

Symptom	Factor
None of the switch indicators on the air conditioning control panel (radio and display receiver assembly)1 or air conditioning control assembly2 illuminate	Air conditioning amplifier assembly malfunction Air conditioning control panel (radio and display receiver assembly) malfunction1 Air conditioning control assembly malfunction2 A/C switch malfunction A/C switch indicator malfunction (including when indicator turned off without switch operation) Servo motor initialization (incomplete) Mechanical locking of damper and damper link Refrigerant pressure is extremely low Low detected ambient temperature (including thermistor assembly malfunction)

Symptom

Factor

None of the switch indicators on the air conditioning control panel (radio and display receiver assembly)*1 or air conditioning control assembly*2 illuminate

Air conditioning amplifier assembly malfunction
Air conditioning control panel (radio and display receiver assembly) malfunction*1
Air conditioning control assembly malfunction*2
A/C switch malfunction
A/C switch indicator malfunction (including when indicator turned off without switch operation)
Servo motor initialization (incomplete)
Mechanical locking of damper and damper link
Refrigerant pressure is extremely low
Low detected ambient temperature (including thermistor assembly malfunction)

*1: for 8 Inch Display
*2: for 7 Inch Display