ENGINE ORDER TELEGRAPH

Custom Search

DRYER

TM-55-1905-223-24-18-2 Landing Craft Utility (LCU) NSN 1905-01-154-1191 Basic Craft Part II Manual

Analog Remote Module 24 VDC Input Wiring Diagram

TM 55-1905-223-24-18-2

Table 3-2. Troubleshooting-CONT

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

ENGINE ORDER TELEGRAPH

48. Light lenses not illuminated on engine room panels or bridge panel.

STEP 1. Visually inspect bulbs on panel.

Replace bulbs (para. 2-143 and 2-128).

STEP 2. Manually depress all push switches to ensure operation.

Replace push switches (para. 3-133).

49. Error messages.

NOTE

In the normal process of continual self-test, the system will occasionally detect a

problem that may or may not be obvious to the user. The chart below shows the

standard messages and problem cause.

Message

Cause

Possible Remedy

Buss shorted

Data cable is damaged

Repair/replace CPU (para. 3-135)

Bad Master

Master card is defective

Bad memory

Defective memory circuitry

Cycle power

Reset remote

System has forgotten the

Cycle power

Display

Remote display

MACHINERY PLANT MONITORING AND ALARM SYSTEM

50. Message "PROGRAMMING SENSOR, PLEASE WAIT."

STEP 1. Use a voltmeter to check for 24 VDC power from generator remote module. See

analog remote module 24 VDC input wiring diagram.

Replace generator remote module, para. 3-81.

51. Error Messages.

NOTE

In the normal process of continual self-test. the system will occasionally detect a

problem that may or may not be obvious to the user. The chart below shows the

standard error messages and probable cause.

3-35