Bosch Thermotechnik EMS 2 Manual De Instalación página 42

42 | Troubleshooting
• Therm.d.: Thermal disinfection in progress.
• DayHtUp: Daily heat-up is active
• Mix.Open: Mixer opens.
• Mix.Close: Mixer closes.
• AutoOff/AutoOn: Operating mode with active time
program
• Sol.Off: Solar thermal system not activated.
• MaxCyl.: Maximum cylinder temperature reached.
• MaxColl: Maximum collector temperature reached.
• MinColl: Minimum collector temperature not reached.
• Frost p.: Frost protection active.
• Vac.FCt: Vacuum tube function active.
The information and values that are provided depend on the
system that has been installed. Observe the documents for the
heat source, user interface, additional modules and other
system components.
4.8 Info menu
If a solar module is installed, the menu Info or Solar is
displayed in the DHW menu.
This menu also provides the user with information on the
system (for further information  operating instructions for
the user interface).
6 720 815 256 (2014/10)
5 Troubleshooting
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.
If the coding card is set to 0 for more than 2
seconds when the power supply is switched on, all
module settings are reset to their default settings.
The user interface issues a fault display.
▶ Restart the module.
The indicator shows the operating condition of the module.
Indicator
light Possible causes
Constantly Coding card set
OFF to 0.
Power supply
interrupted.
Fuse faulty.
Short circuit in
BUS connection.
Constantly Internal fault
red
Flashing Coding card in
red invalid position or
in intermediate
position.
Table 22
4 5 6
3 7
2 8
1 9
10
0
Remedy
▶ Set the coding card.
▶ Switch on the power
supply.
▶ When the power supply
is switched off, replace
the fuse
( Fig. 14, page 197)
▶ Check BUS connection
and repair if required.
▶ Replace module.
▶ Set the coding card.
6 720 645 409-20.1
MS 100