Installation guide

3
Maintenance and troubleshooting 25
Chapter 3: Maintenance and troubleshooting
3.1 Introduction
This chapter deals with maintenance and
troubleshooting for the DSM400 Digital Sounder Module,
and covers the following:
Adjustments to this equipment requires specialized
service procedures and tools only available to qualified
service technicians. There are no user serviceable parts
or adjustments.
3.2 Maintenance
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. Raymarine
products do not contain any user serviceable parts.
• Some products generate high voltages. Never
handle cables or connectors when power is being
supplied to the equipment.
• When powered all electrical equipment produces
electromagnetic fields. These can cause adjacent
items of electrical equipment to interact with one
another, with consequent adverse effects on
operation. To minimize these effects and enable
best possible performance from the equipment
guidelines are given in the installation instructions,
to ensure minimum interaction between different
• Maintenance
- refer to page 25
• Resetting the system
- refer to page 27
• Troubleshooting
- refer to page 28
• Warnings and errors
- refer to page 30
• Thermocline troubleshooting
- refer to page 29
• Contacting Raymarine
- refer to page 31
WARNING: High voltage
This equipment contains high voltages.
Unless otherwise instructed in this
handbook DO NOT remove the covers or
access internal components.
CAUTION: Service and Maintenance
This product contains no user
serviceable parts.
DSM400 Installation Guide.book Page 25 Tuesday, November 4, 2008 4:53 PM