Troubleshooting; Status Indicator On The Separately Installed Or Higher Level Cascade Module; Status Indicator At The Lower Level Cascade Module; Environmental Protection/Disposal - Bosch Thermotechnology MC 400 Notice D'installation

5

Troubleshooting

Use only original spare parts. Damage caused by the use of spare parts
not supplied by the manufacturer is excluded from the warranty.
▶ If a fault cannot be rectified, please contact your local service
engineer.
The On/Off indicator indicates the operating condition of the module.
4 5 6
3
2
1
0
Fig. 14
5.1 Status indicator on the separately installed or higher
level cascade module
Status indicator Possible cause
Constantly OFF Power supply
interrupted
Faulty fuse
Short-circuit in the
BUS connection
Constantly red Coding switch in
invalid position or in
intermediate
position
Temperature sensor
defective
Internal fault
Flashing red Stop switch on I3 is
open
Flashing green Switch for max.
performance is
closed
Flashing yellow Initialisation
Constantly green Coding switch set to
0
No fault
Table 8
MC 400 – 6720890243 (2018/12)
7
8
9
10
0 010 013 232-001
Remedy
▶ Turn on the mains power supply.
▶ When the power supply is
switched off, replace the fuse
( Fig. 80 at end of this
document).
▶ Check BUS connection and
repair if necessary.
▶ Adjust the coding switch
▶ 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,
replace the module.
▶ Replace the module.
▶ Check the stop switch.
▶ Check the max switch on I2.
–
▶ Adjust the coding switch
Normal Operation
5.2

Status indicator at the lower level cascade module

Status indicator Possible cause
Constantly OFF Power supply
interrupted
Faulty fuse
Short-circuit in the
BUS connection
Constantly red Coding switch in
invalid position or in
intermediate
position
Internal fault
Flashing yellow Initialisation
Constantly green Coding switch set to
0
No fault
Table 9
6

Environmental protection/disposal

Packaging
Where packaging is concerned, we participate in country-specific
recycling processes that ensure optimum recycling.
All of our packaging materials are environmentally compatible and can be
recycled.
Environmental protection is a key commitment of the Bosch Group.
Quality of products, efficiency and environmental protection are equally
important objectives for us. Environmental protection laws and
regulations are strictly observed.
To protect the environment, we use the best possible technology and
materials while taking into account economic considerations.
Old electrical and electronic appliances
This symbol indicates that the product must not be
disposed of with other waste, but be taken to the waste
collection centers for treatment, collection, recycling and
disposal procedure.
The symbol applies to countries with electronic waste
regulations, for example the European Waste Electrical and Electronic
Equipment Directive 2012/19/EU. These regulations determine the
framework for the return and recycling of used electronic appliances as
applicable within each country.
As electronic equipment may contain hazardous substances, it needs to
be recycled responsibly in order to minimize any potential harm to the
environment and human health. Furthermore, recycling of your
electronic waste will help to conserve natural resources.
For additional information on the environmentally safe disposal of
electrical and electronic equipment, please contact the relevant local
authorities, your household waste disposal service or the retailer where
you purchased the product.
For additional information, please visit:
www.weee.bosch-thermotechnology.com/
Troubleshooting
Remedy
▶ Turn on the mains power supply.
▶ When the power supply is
switched off, replace the fuse
( Fig. 80 at end of this
document).
▶ Check BUS connection and
repair if necessary.
▶ Adjust the coding switch
▶ Replace the module.
–
▶ Adjust the coding switch
Normal Operation
23