Fault History; Troubleshooting - Bosch Control 8313 Service Instructions For Contractors

20.5

Fault history

To call up the fault history:
▶ Call up the service menu.
▶ Tap the symbol.
▶ Tap symbol.
1
Fig. 35 Calling up the fault history
[1] Symbol for calling up the fault history
Fault, Effect on control characteristics
observation
Display is dark Control not working
Module not Modules not working
working
Module not The module is not recognised.
supported
xxx °C Operation of the control unit continues • Sensor not installed, defective or outside
Outdoor The control expects the minimum
temperature outdoor temperature.
sensor is
defective
Defective flow The mixing valve opens fully.
temperature
sensor
Control 8313 – 6720859567 (2017/03)
The Fault history menu shows the faults and service displays of the
heating system. The user interface shows only the faults and service
displays of the selected heat source.
If more faults and service displays than can be displayed on one page
exist, scroll through the pages with the arrows in the footer.
1
Fig. 36 Fault history
[1] Event identifier
[2] Occurred (date, time)
[3] Ended (date, time)
[4] Device
[5] Message text
20.6

Troubleshooting

12:00
The fault history depends on the modules used.
Faults caused by the control unit, are automatically deleted once the fault
has been rectified.
0010008699-001
Faults caused by the burner control unit of the heat source must be reset
at the control or the heat source, depending on the type of fault:
▶ Observe documents of the heat source!
Enter the following data for faults you cannot rectify yourself:
• Control unit type on the data plate ( Fig. 3, [9], page 8)
• Software version ( Chapter 15, page 37)
Reason
• The heating system emergency stop switch
is off.
• The control unit is switched off.
• The control unit safety equipment has been
triggered.
• A safety device has been triggered.
• The power supply between the modules has
not been connected.
• The control unit safety equipment has been
triggered.
• The inserted module is faulty or the
software version is outdated.
the measuring range.
• Module faulty.
• The outside temperature sensor is
incorrect, not connected at all or defective.
• The ZM5313 central module or the control
unit is faulty.
• Communication with the control unit with
address ≥ 1 has been interrupted.
• The temperature sensor is incorrectly
connected. If a mixing valve was selected in
the user interface, the control requires the
corresponding flow temperature sensor.
• The FM-MM module or the control unit is
faulty.
2 3 4
Remedy
▶ Switch on the heating system emergency
stop switch.
▶ Switch on the control unit.
▶ Push in the pin.
▶ Check circuit breaker.
▶ Connect the power supply
▶ Push in the pin.
▶ Replace module.
▶ Check sensor and sensor port.
▶ Replace the sensor if necessary.
▶ Replace the module if necessary.
▶ Check whether the outside temperature
sensor is connected to the right control
unit (to the control unit with address 0 in
systems containing several heat
sources).
▶ Check communication with the control
units.
▶ Replace outside temperature sensor or
central module.
▶ Check sensor port.
If the faulty heating circuit is to be operated
as a heating circuit without mixer:
▶ Check whether Actuator No has been
selected ( Tab. 10, page 22).
▶ Replace the module if necessary.
Service
5
0010008700-001
45