ARMY TM 9-6115-645-10 AIR FORCE TO 35C2-3-444-11 MARINE CORPS TM 09244A/09245A-10/1 TABLE 2-2.  Malfunction Indicator Panel KEY CONNECTOR FUNCTION 1 NO FUEL indicator Lights when fuel level in fuel tank is below preset level. 2 COOLANT HIGH TEMP Lights when engine coolant indicator temperature exceeds 2250 + ^5° F  (107 +± 30 F). 3 OVERVOLTAGE indicator Lights when voltage in 120 volt generator coil exceeds 153 + 3 volts. 4 OVERSPEED indicator Lights when engine speed exceeds 22d0 ± 40 RPM. 5 REVERSE POWER indicator Lights when power flow into generator set exceeds 20 + 3 percent of rated current. 6 OVER LOAD indicator Lights when current in any phase exceeds 110 percent of rated current. 7 GROUND FAULT CIRCUIT Tests GROUND FAULT CIRCUIT INTERRUPTER TEST INTERRUPTER. Pushbutton 8 GROUND FAULT CIRCUIT Indicates a ground fault condition. INTERRUPTER indicator 9 GROUND FAULT CIRCUIT Rests GROUND FAULT CIRCUIT INTERRUPTER RESET INTERRUPTER. Pushbutton 10 SHORT CIRCUIT indicator Lights when generator set output in any phase exceeds 425 + 25 percent of rated current. 11 UNDER VOLTAGE indicator Lights when voltage in 120 volt generator coil winding drops below 99 ± 4 VAC. 12 PUSH TEST RESET LAMPS Tests and resets fault indicator switch lamps. 13 LOW OIL PRESSURE Lights when engine lubrication indicator systems pressure is less than 15 + 3 psi (103.4 + 20.7 kPa) during engine operation. 14 Convenience Receptacle Circuit breaker trips on when load Overload Circuit on convenience receptacle exceeds 10 Breaker (10-amp in-line amps (fuse blows on generator sets, fuse on generator sets, contract number DAAK01-88-D-D082). contract number DAAK01-88-D-D082) Change 2  2-7