MD Helicopters 369D - Page 43

CSP-HMI-3MD Helicopters, Inc.
MAINTENANCE MANUAL
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95-00-00
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Revision 11
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Copyright © 1999−2016 by MD Helicopters, Inc.
Table 102. Caution and Warning Lights Troubleshooting Data (Cont.)
φφ Engine Power Out
Warning Assembly
φ Indicator Lights
Dimmer Assembly
Light Indicator Connector Number and Pin LetterFault Input Signal
P19P12
Start Pump On (located near
switch)
28 Vdc N −
BAT TEMP Amber (140°F) 28 Vdc P108D −
Warning Lights
θ Engine Out (N
1
) Frequency less than 38.5 Hz
(369D/E − 500N helicopters)
or 36.75 Hz (369FF
helicopters)
− A
θ Engine Out (N
R
) Frequency less than 68.6 Hz
(369D/E − 500N helicopters)
or 66.5 Hz (369FF helicopters)
− L
BAT TEMP Red (160
°F) 28 Vdc P108B −
Xmsn Oil Temp Ground Y −
Xmsn Oil Press Ground j −
Miscellaneous
*N
1
disable (disables audible
tone and horn for N
1
only)
** Ground − J
*N
R
disable (disables N
R
sensing and audible tone for
N
R
only)
** Ground − G
*Dim to bright ** 0 to +28 Vdc respectively X −
θθ Press−to−test (369FF
helicopters only)
** +28 Vdc A −
θθ Press−to−test ** Ground B −
NOTES:
(1) Listed fault input signal causes associated light indicator to illuminate when input is applied to
listed connector number and pin letter.
(2) Wiring harness connectors listed are those that mate with connectors of units listed.
* Function (not an indicator) for instrument and panel lights.
** Function input signal (not a fault input signal) for all lights.
θ Light indicator flashes with listed input applied; all other indicators continuously lighted with listed
inputs.
θθ Function (not an indicator) for caution and warning indicators.
φ (Ref. Autronics Indicator Lights Dimmer Assembly, Sec. 95-30-00).
φφ (Ref. Sec. 96-10-00).