4-2
4.3 Troubleshooting
Check all items in the following section to secure normal communication at all times. If any unusual
phenomenon occurs in the equipment, send appropriate information to JRC service network to get advice
or to request for repair with the results of these items.
Fig4.3a Troubleshooting Flowchart (1/2)
PSU
Exchange
Start
Is the Power lamp
blinking after
Power switch of IME
turned ON?
NO
YES
EME-IME
Cable
Exchange
Confirm again with changing
ship’s direction
IME
Exchange
YES
EME
Exchange
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
Confirm again with setting
of correct Ocean Region
NO
Confirm the type of
EME and IME
EME: NAF-742SA/NAF-253SA
IME: NTF-782SA
Is it turned to light
after 20 seconds?
Is Only SYNC
lamp
blinking and
all other lamps
are lighting?
Is PSU normal?
Continued to next page
NO
Is there any
blocking?
Is the Ocean Region
setting is incorrect?
Is SYNC lamp
lighting after 2 to
10 minutes passed?
YES
YES
YES
NO
YES
Are all lamps
lighting after 5
minutes passed?
Is the EME-IME
cable normal?
Is the connector of
IME back panel is
DC24V output?
Is the DC resistance
of EME pig tail cable
about 7kΩ？
Contact JRC
YES
NO
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