Preliminary Checks; User Accessible Fuse Replacement - TANDBERG evolution 5000 E5710 Instruction Manual

Preventive Maintenance and Fault-finding
If the following information fails to clear the abnormal condition, call a
Service Engineer or contact Customer Services using the information given
in the preliminary pages of this manual.
6.5.2

Preliminary Checks

Always investigate the failure symptoms fully, prior to taking remedial
action. Fault diagnosis for the equipment operator is limited to the
following tasks, since the operator should NOT remove the covers of the
equipment:
1. Check the front panel Power LED. If this is not lit:
a) Replace the fuse in the power connector at the rear panel (see
NOTE...
Only replace the fuse once. If it blows again contact Customer Services.
b) Replace external equipment, power source and cables by
2. Confirm that the equipment hardware configuration is suitable for the
purpose and has been correctly installed and connected (see
Chapter 2, Installing the Equipment).
3. Confirm that inappropriate operator action is not causing the problem,
and that the equipment software set-up is capable of performing the
task being asked of it. If the validity of the configuration, set-up or
operation is in doubt, check it (see Chapter 4, Operating the Encoder
Locally).
4. Check that the fans are unobstructed and working correctly.
When the failure condition has been fully investigated, and the symptoms
are known, proceed with fault-finding according to the observed
symptoms. If the fault persists, and cannot be rectified using the
instructions given in this manual, contact Customer Services. Switch off
the equipment if it becomes unusable, or to protect it from further
damage.
6.5.3

User Accessible Fuse Replacement

A fuse is held in an integral fuse carrier at the ac power inlet at the rear
panel.
Table 6.1: Fuse Information
Item
Fuse position
Fuse size
Fuse current rating, voltage, type
NOTE...
Refer to Annex B, Section B.5, Power Supply for more information.
Page 6-8
Section 6.5.3, User Accessible Fuse Replacement).
substitution to check their performance.
Specification
Fuse in live conductor in power input filter at rear of unit
5 x 20 mm
5 A, 250 Vac T HBC
Instruction Manual: evolution 5000 E5710 and E5720 Encoder
ST.TM.E10074.1