TM 9-6115-668-13Table 2-1 Control Cabinet Assembly, Description of Controls and Indicators.ItemNumber1234567891011121314DescriptionFunctionAMPS L1 (OA) meter 0 - 600 A (P1)Indicates current in line 1UNDER/OVER FREQUENCY illuminatedH8 lights up if generator frequency is above orpushbutton switch, red (H8, S4)below setpoint; S4 cancels the fault messageAMPS L2 (OB) meter 0 - 600 A (P2)Indicates current in line 2UNDER/OVER VOLTAGE illuminatedH9 lights up if generator voltage is above orpushbutton switch, red (H9, S5)below setpoint; S5 cancels the fault messageGENERATOR OVER TEMPERATURE illu-H10 lights up if generator overheats; S6 cancelsminated pushbutton switch, red (H10, S6)the fault messageAMPS L3 (OC) meter 0 - 600 A (P3)Indicates current in line 3OVERLOAD illuminated pushbutton switch,H13 lights up if generator overloads; S10 cancelsred (H13, S10)the fault messageREVERSE POWER illuminated pushbuttonH11 lights up if reverse power is too high; S22switch, red (H11, S22)cancels the fault messageLights (H6)For front panel illumination; use PANELDIMMER switch/potentiometer (33) to turn on andadjust brightnessBATTERY CHARGING CONTROL lamp,Must go out after start; if H2 lights up duringred (H2)operation, battery set is not being chargedVOLTAGE meter 0 - 250 V (P6)Indicates line or phase voltages L-L or L-NOIL PRESSURE lamp, red (H3)Must go out after start; if H3 lights up duringoperation, oil pressure is too lowOIL TEMP-CYLINDER HEAD lamp, redLights up when oil and/or cylinder head(H4)temperature is too highFREQUENCY meter, digital display (P5)Displays generator frequency(400.0 ± 0.2 Hz during operation)2 - 3
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