Troubleshooting - IVT AirModule E 15 Installer's Manual

12.9.6 Calibration menu
Menu Item Description
Room temp. sen. ▶ Place a suitable precision measuring instrument
adj. close to the user interface. The precision
measuring instrument may not give off any heat
to the user interface.
▶ Keep heat sources such as, e.g. direct sun, body
heat and the like away for a period of 1 hour.
▶ Adjust the displayed room temperature
correction value ( – 3 ... 0 ... + 3 K).
Time correction This correction ( – 20 – 0 ... + 20 s) is performed
automatically once every week.
Example: the clock is offset by
ca. –6 minutes per year
• –6 minutes per year –360 seconds per year
• 1 year = 52 weeks
• –360 seconds: 52 weeks
• –6.92 seconds per week
• Correction factor = +7 s/week.
Table 40 Calibration menu settings
Cause or error description
A11 1000 System configuration not
confirmed
A11 1010 No communication via BUS
connection EMS plus
A11 1038 Invalid time/date
A11 3061 No communication with mixing
3062 valve module
3063
(3061 = Heating circuit 1;
3064
3062 = Heating circuit 2;
3063 = Heating circuit 3;
3064 = Heating circuit 4)
A11 3091 Defect room temperature sensor
3092
(3091 = Heating circuit 1;
3093
3092 = Heating circuit 2;
3094
3093 = Heating circuit 3;
3094 = Heating circuit 4)
A11 6004 No communication w. solar
module
A31 3021 Defect flow temperature sensor
A32 3022 in the heating circuit
A33 3023
(A31/3021
A34 3024
= Heating circuit 1;
A32/3022
= Heating circuit 2;
A33/3023
= Heating circuit 3;
A34/3024
= Heating circuit 4)
Table 41 Error messages
AirModule –6 720 813 268(2014/10)
Test procedure/cause
System configuration incomplete
Check if the BUS connection is correctly connected.
Check if the BUS connection is defect. Disconnect modules
from the EMS-BUS and restart the user interface. Check if a
module or the module wiring is causing the error.
Date/time not yet set.
Prolonged power outage
Check configuration (set address on the module). The selected
setting requires a mixing valve module.
Check if the EMS connecting wire to the mixing valve module is
damaged. BUS voltage to the mixing valve module must be
between 12 and 15 V DC.
Defect mixing valve module
Reset the heating circuit control mode from room temperature
mode to outside temperature compensated control.
Reset the frost protection from room to outside.
Check configuration (set address on the module). The selected
setting requires a solar module.
Check if the EMS connecting wire to the solar module is
damaged. BUS voltage to the solar module must be between 12
and 15 V DC.
Defect solar module
Check configuration. The selected setting requires a flow
temperature sensor.
Check the connecting cable between the mixing valve module
and the flow temperature sensor.
Check the connecting cable according to the diagram.
Check the flow temperature sensor connecting terminal voltage
on the mixer valve module according to the diagram.
13

Troubleshooting

A system error is displayed on the user interface display. The cause can
be an error in the user interface, in a component, in a module, the heat
pump or the heat pump module. You can find further information in the
instructions on how to solve errors, especially in the service manual,
which contains detailed descriptions of errors, for each separate part
and unit and the installed heat pump.
The user interface saves the latest error messages with a time stamp
( Error history, page 54).
Use only original spare parts. Any damage resulting from
use of spare parts not supplied by the manufacturer is
excluded from liability.
If an error cannot be solved, please contact your local
service technician or Bosch service.
Solution
Configure the system completely and confirm
Correct the wiring and restart the user interface.
Repair or replace the BUS wires.
Replace defect EMS-BUS unit
Set date/time.
Set date/time.
Modify configuration
Replace damaged cables.
Replace the mixing valve module
Replace the system regulator or room controller.
Modify configuration
Replace damaged cables.
Replace the module.
Modify configuration.
Establish a correct connection.
Replace the sensor if the values are incorrect.
If the sensor values are correct but the voltage is
incorrect, the mixing valve module should be
replaced.
Troubleshooting
55