Table 2-14-1. Master Caution Panel Capsules 712

Figure 2-14-5. Master Caution System 712

TM-1-1520-240-10 Army CH-47D Heilcopter (EIC:RCD) Manual
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TM 1-1520-240-10 2-14-9 Table 2-14-1. Master Caution Panel Capsules 712 WORD SEGMENT EXPLANATION XMSN OIL HOT Transmission oil temperature is more than 140_C. XMSN OIL PRESS Transmission main oil pressure is less than 20 psi, or less than 10 psi in the aft rotor shaft. XMSN AUX OIL PRESS Less than 20 psi auxilliary oil pressure in the forward, or aft transmision or less than 10 psi in the combining transmission. NO. 1 ENG OIL LOW Approximately 2 qt of usable oil is remaining in No. 1 engine oil tank. NO. 2 ENG OIL LOW Approximately 2 qt of usable oil is remaining in No. 2 engine oil tank. L FUEL PRESS Left fuel pressure is below 10 psi. R FUEL PRESS Right fuel pressure is below 10 psi. PWR STEER Steering control has been disabled due to system malfunction or steering limits have been exceeded. NO. 1 HYD FLT CONTR No. 1 flight control hydraulic system pressure is below 1,800 psi. NO. 2 HYD FLT CONTR No. 2 flight control hydraulic system pressure is below 1,800 psi. UTIL HYD SYS Utility hydraulic system pressure is below 1,800 psi. PARK BRAKE ON Parking brake is on. NO. 1 RECT OFF Transformer-rectifier has failed or the generator ouput is interrupted. NO. 2 RECT OFF Transformer-rectifier has failed or the generator ouput is interrupted. NO. 1 GEN OFF No. 1 generator is inoperative on the generator switch is at OFF. NO. 2 GEN OFF No. 2 generator is inoperative on the generator switch is at OFF. BATT SYS MAL Battery or battery charging system has failed or the battery has exceeded the safe oper- ating temperature. EXT PWR This light comes on whenever external power is connected to the bus. L FUEL LOW Left main fuel tank has approximately 20 percent fuel remaining. R FUEL LOW Right main fuel tank has approximately 20 percent fuel remaining. HEATER HOT Temperature within heater is greater than 177_C. MID HOOK OPEN The midcargo hook has been opened, either hydraulically, pneumatically, or manually. APU ON The APU is up to speed and can be used. DUAL HOOK FAULT The forward and/or aft hook circuit has an electrical fault and the hook(s) shall not be re- leased electrically. FWD HOOK OPEN The forward cargo hook has been opened either electrically or manually. AFT HOOK OPEN The aft cargo hook has been opened either electrically or manually. NO. 1 AFCS OFF The No. 1 AFCS is off, failed, or DASH is reprogramming. NO. 2 AFCS OFF The No. 2 AFCS is off, failed, or DASH is reprogramming. No. 1 ENG CHIP DET Metal chips in No. 1 engine or engine transmission oil. NO. 2 ENG CHIP DET Metal chips in No. 2 engine or engine transmission oil. XMSN CHIP DET Metal chips in the oil of the forward, combining, or aft transmision or the aft thrust bear- ing. NO. 1 ENG N1 CONT No. 1 engine N1 component has failed or the engine condition lever or N1 actuator is not in the STOP, GND, or FLT position.

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