22
Troubleshooting
EMC servicing and safety guidelines
• Raymarine equipment should be serviced only by authorized Raymarine service technicians. They
will ensure that service procedures and replacement parts used will not affect performance. There
are no user serviceable parts in any Raymarine product.
• Some products generate high voltages: never handle the cables/connectors when power is being
supplied to the equipment.
• When powered up, all electrical equipment produces electromagnetic fields. These can cause adja-
cent pieces of electrical equipment to interact with one another, with a consequent adverse effect
on operation. In order to minimize these effects and enable you to get the best possible perfor-
mance from your Raymarine equipment, guidelines are given in the installation instructions, to
enable you to ensure minimum interaction between different items of equipment, i.e. ensure opti-
mum Electromagnetic Compatibility (EMC).
• Always report EMC-related problems to your nearest Raymarine dealer. We use such information to
improve our quality standards.
• In some installations, it may not be possible to prevent the equipment from being affected by exter-
nal influences. In general this will not damage the equipment but it can lead to spurious resetting
action, or momentarily may result in faulty operation.
Table 1-4: Possible problems and their solutions
Problem Possible solutions
Motor does not run • Check electrical connections.
• Check autopilot output.
• Check fuse / trip rating.
Motor runs, but no ram movement • Check for air in the hydraulic system.
• Check for incorrect hydraulic connections.
• Check there is sufficient fluid in the system.
• Check that the relief is set correctly, if fitted.
• Check the drive coupling between the pump
and the motor.
• Check whether the pump has been disman-
tled and incorrectly reassembled.
Excessive noise • Check for air in the hydraulic system.
• Check the motor for damage.
• Check the security of the mountings.
81178_5.book Page 22 Wednesday, April 24, 2013 6:42 PM
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