MDC-3560P/3510P Series
Chapter 8
TROUBLE SHOOTING AND ON BOARD SERVICING
93142002-01
8-1
CHAPTER 8 TROUBLE SHOOTING AND ON BOARD SERVICING
This chapter covers simplified fault locating procedures to enable faulty areas to be
identified on your vessel.
8.1 Information required for service
Please advise the following details:
(1) Name of vessel, Satcom number if available.
(2) Equipment type name
(3) Equipment serial number
(4) Software type name, shown on the standby screen and stated in this manual.
(5) Next port of call, ETA and ship’s agent
(6) Faulty conditions and the result of on board check
8.2 Self diagnosis functions provided
The equipment provides on-screen alarm messages and the status indicator inside
the display unit.
8.2.1 Alarm messages
The following alarm messages will be shown as a result of diagnosis by the built-in
self-check function if the equipment becomes faulty. Details are as follows:
Table 8.1 Alarm messages shown on the screen
Alarm messages
Faults detected
ANTENNA ABNORMAL
(NO RESPONSE)
Communication between Antenna and Display is
faulty. Suspect no Antenna connection.
AZIMUTH ABNORMAL
The azimuth pulse signal is erratic in timing or
frequency or no signal input to the display.
HEADING LINE ABNORMAL
The Heading Line signal is erratic or no signal
input to the display.
TRIGGER ABNORMAL
Master trigger pulse is erratic in timing and level or,
not present at all.
MAGNETRON CURRENT
ABNORMAL
Magnetron current is not within specified range.
250V ABNORMAL
High voltage supply for Modulator Unit is not within
specified range.
MAGNETRON HEATER
CURRENT ABNORMAL
Magnetron heater current is not within specified
range.