AC 120 V Outlet Main Switch Indicator Does Not Turn On

AC 120 V OUTLET MAIN SWITCH INDICATOR DOES NOT TURN ON

Diagnosis Procedure


1. CHECK FAIL-SAFE ACTIVATION

Check if the symptom is caused by a fail-safe operation. Refer to "Fail-safe" Inverter Unit.
Is fail-safe operating?
YES- Repair the part causing fail-safe operation.
NO- GO TO 2.

2. CHECK INVERTER UNIT POWER SUPPLY CIRCUIT

Check inverter unit power supply circuit. Refer to "Diagnosis Procedure" Power Supply and Ground Circuit.
Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace the malfunctioning parts.

3. CHECK AC 120 V OUTLET MAIN SWITCH POWER SUPPLY CIRCUIT

Check AC 120 V outlet main switch power supply circuit. Refer to "Diagnosis Procedure" AC 120 V Outlet Main Switch Power Supply Circuit.
Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace the malfunctioning parts.

4. CHECK AC 120 V OUTLET MAIN SWITCH INPUT SIGNAL CIRCUIT

Check AC 120 V outlet main switch input signal circuit. Refer to "Diagnosis Procedure" AC 120 V Outlet Main Switch Input Signal Circuit.
Is the inspection result normal?
YES- GO TO 5.
NO- Repair or replace the malfunctioning parts.

5. CHECK AC 120 V OUTLET MAIN SWITCH INDICATOR CIRCUIT

Check AC 120 V outlet main switch indicator circuit. Refer to "Diagnosis Procedure" AC 120 V Outlet Main Switch Indicator Circuit.
Is the inspection result normal?
YES- Refer to "Intermittent Incident" Intermittent Incident.
NO- Repair or replace the malfunctioning parts.