Furuno FAX-30 manual Replacement of Fuse, Troubleshooting, Trouble Problem Remedy

6. MAINTENANCE, TROUBLESHOOTING

6.2Replacement of Fuse

The 2A fuse in the power cable protects the equipment from equipment fault and reverse polarity of the ship’s mains. If the fuse blows find the cause before replacing it. If it blows again after replacement, contact your dealer for advice.

CAUTION

Use the proper fuse.

Use of a wrong fuse may cause serious damage to the equipment and void the warranty.

6.3Troubleshooting

This section provides simple troubleshooting that the user may follow to restore normal operation.

Troubleshooting

Trouble		Problem		Remedy
NavNet display unit	•	Jumbled memory	• Turn the NavNet display unit
freezes				off and on again.
Command from	•	Network not connected	• Reselect the FAX mode.
NavNet display unit
not accepted
Cannot read	•	Corrupted memory	•	Clear memory.
characters
Noise but no signal	•	Loosened antenna	•	Fasten antenna connector.
		connector
	•	Coaxial cable in antenna	•	Replace antenna cable.
		cable is shorted or
		damaged.
Multiple or overlapped	•	Wrong speed setting	• Set correct speed. Speed
image				may be adjusted when
				manually receiving an
				image.
Image is split.	•	Image is out of phase.	•	Set phase manually.
Image is shrunk (or	•	Wrong IOC	• Change IOC. IOC may be
enlarged) vertically.				adjusted when manually
				receiving an image.
Image is filled with	•	Noise	• Use the noise rejector to
noise.				remove noise.
Timer schedule does	•	Improper setting of	•	Review schedule.
not start as		schedule
scheduled.
Cannot access	•	Incorrect IP address or	• Check setting referring to
FAX-30 from PC.		subnet mask set on PC.		page 7-8.

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