Pinpoint Test 2: The DC/AC Inverter Does Not Operate Correctly -The AC Power Point Led Indicator Is Never On

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PINPOINT TEST 2: THE DC/AC INVERTER DOES NOT OPERATE CORRECTLY - THE AC POWER POINT LED INDICATOR IS NEVER ON - HYBRID

Normal Operation

The DC/AC inverter receives 12 volts DC on circuits (G/R) and (Y/GY) and is grounded on circuit (B/GY). The incoming DC power is internally converted to 60 cycle 110 volts AC power that is output to the AC power point on circuits (O/G) (power) and (O/W) (neutral). If a fault in the system is detected, the LED flashes when the key is in the ON position. The LED continuously illuminates if the system is operating correctly when the key is in the ON position.

Possible Causes
- Fuses
- Wiring, terminals or connectors
- DC/AC inverter
- AC power point

Diagnostic Procedure

CAUTION:Use a voltmeter that measures true RMS AC voltage, such as FLUKE(R) model FLU87-5 true RMS digital multimeter. Failure to follow this instruction will result in incorrect DC/AC inverter voltage measurements and cause incorrect fault diagnosis.

CAUTION:Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

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