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Nefit EMS Manual

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Eliminate fault | 19
6 720 816 739 (2015/05)MC 400
5Eliminate fault
The indicator shows the operating condition of the module.
5.1 Status indicator on the individual installed or higher-
level cascade module
5.2 Status indicator on the lower-level cascade module
6 Environment / disposal
Environmental protection is a fundamental corporate strategy of the
Bosch Group.
The quality of our products, their efficiency and environmental safety
are all of equal importance to us and all environmental protection
legislation and regulations are strictly observed.
We use the best possible technology and materials for protecting the
environment taking into account of economic considerations.
Packaging
We participate in the recycling programmes of the countries in which our
products are sold to ensure optimum recycling.
All of our packaging materials are environmentally friendly and can be
recycled.
Old electrical and electronic appliances
Electrical or electronic devices that are no longer
serviceable must be collected separately and sent for
environmentally compatible recycling (in accordance
with the European Waste Electrical and Electronic
Equipment Directive).
To dispose of old electrical or electronic devices, you
should use the return and collection systems put in place
in the country concerned.
Use only original spare parts. Any damage resulting from
spare parts that are not supplied by the manufacturer is
excluded from liability.
If a fault cannot be rectified, please contact the responsible
service engineer.
Indicator
light
Possible cause Remedy
Constantly
OFF
Power supply
interrupted.
▶ Switch on the power supply.
Fuse faulty. ▶ When the power supply is switched
off, replace the fuse ( Fig. 20,
page 85)
Short circuit in BUS
connection.
▶ Check BUS connection and repair if
required.
Constantly
red
Coding card in invalid
position or in
intermediate position.
▶ Set the coding card.
Temperature sensor is
defective
▶Check temperature sensor.
▶ If values do not match, replace the
sensor
▶ Check voltage at temperature sensor
terminals in the module.
▶ If the sensor values match but the
voltage values do not match, replace
the module
Internal fault ▶ Replace module.
Flashing
red
Stop switch on I3 is
open
▶ Check the stop switch.
Flashing
green
Switch for max.
performance is closed
▶ Make shorter BUS connection
Flashing
yellow
Initialisation –
Constantly
green
Coding card set to 0. ▶ Set the coding card.
No fault. Normal mode.
Table 7
0
1
2
3
4
5
6
7
8
9
10
6 720 647 922-52.1O
Indicator
light
Possible cause Remedy
Constantly
OFF
Power supply
interrupted.
▶ Switch on the power supply.
Fuse faulty. ▶ When the power supply is switched
off, replace the fuse ( Fig. 20,
page 85)
Short circuit in BUS
connection.
▶ Check BUS connection and repair if
required.
Constantly
red
Coding card in invalid
position or in
intermediate position.
▶ Set the coding card.
Internal fault. ▶ Replace module.
Flashing
yellow
Initialisation –
Constantly
green
Coding card set to 0. ▶ Set the coding card.
No fault Normal mode
Table 8
… 19 …


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