Bosch HPC 410, Инструкция по установке для подрядчиков

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Unit troubleshooting
HPC 410 – 6721832682 (2021/02) 18
Table 25
Table 26
Table 27
Table 28
Table 29
Table 30
Table 31
Table 32
Using the technical
documentation, check whether
the installed cylinder primary
pump can deliver the required
output Replace the pump if there are
deviations
Excessive losses in the DHW
circulation line Check DHW circulation line
Check the hot water temperature
sensor according to table Replace the sensor if there are
deviations from the table values
Check the system configuration.
The output of the electric booster
heater is possibly too small in
relation to the required water
volume Check/increase the DHW settings
in the service menu >>DHW >>
Maximum duration (60 min
....240 min)
A11 - 1000 - [System configuration not confirmed]
Test procedure/Cause Action
System configuration not
completed Configure system completely and
confirm
A11 - 1010 - [No communication via BUS interface EMS 2]
Test procedure/Cause Action
Check whether BUS cable was
connected incorrectly Rectify wiring faults and switch
controller off and on again
Check whether BUS cable is
defective. Remove expansion
module from BUS and switch
controller off and back on. Check
whether the cause of the fault is a
module or module wiring • Repair or replace the bus cable
• Replace faulty BUS node
A11 – 1037 – and A61…A64 – 1037 – [outside temperature sensor
– heating standby mode active] (A61 = heating circuit 1…A64 =
heating circuit 4)
Test procedure/Cause Action
Check configuration. The selected
setting requires an outside
temperature sensor. If an outside temperature sensor is
not required, select the room
temperature-dependent
configuration in the controller.
Check the connecting lead
between the control unit and
outside temperature sensor for
continuity If there is no continuity, rectify the
fault
Check the electrical connection of
the connecting lead in the outside
temperature sensor or on the plug
in the control unit Clean corroded terminals in the
outside sensor housing.
Check outside temperature sensor
according to table If values do not match, replace the
sensor
Check the voltage at the
connecting terminals of the
outdoor temperature sensor in the
controller in accordance with table If the sensor values matched, but
the voltage values do not match,
replace the control unit
A01 - 811 - and A41 - 4051...4052 -
[DHW provision: thermal disinfection unsuccessful]
Test procedure/Cause Action
A11 - 1038 - [Invalid time/date]
Test procedure/Cause Action
Date/time not yet set Set date/time
Prolonged loss of power supply Avoid voltage failures
A11 - 3061...3064 - [No communication with mixer module (3061
= heating circuit 1...3064 = heating circuit 4)
Test procedure/Cause Action
Check configuration (set address
at the module). The selected
setting requires a heating circuit
module Change configuration
Check the BUS connecting lead to
the heating circuit module for
damage. BUS voltage at the
heating circuit module must be
between 12-15 V DC Replace damaged cables
Heating circuit module defective Replace heating circuit module
A11 - 3091...3094 - [Room temperature sensor defective] (3091 =
heating circuit 1...3094 = heating circuit 4)
Test procedure/Cause Action
• Change the control type of the
heating circuit from room
temperature-dependent to
weather-compensated
• Change frost protection from
room temperature-dependent
to outside temperature-
dependent, if necessary
Replace the system controller or
the remote control.
A11 - 6004 - [No communication with solar module]
Test procedure/Cause Action
Check configuration (set address
at the module). The selected
setting requires a solar module Change configuration
Check the BUS connecting lead to
the solar module for damage. BUS
voltage at the solar module must
be between 12-15 V DC. Replace damaged cables
Solar module defective Replace the module
A31...A34 – 3021…3024 – [heating circuit 1… 4 flow temperature
sensor faulty – standby mode active] (A31/3021 = heating circuit
1…A34/3024 = heating circuit 4)
Test procedure/Cause Action
Check configuration. The selected
setting requires a flow
temperature sensor Change configuration
Check the connecting lead
between heating circuit module
and flow temperature sensor Establish a connection properly
Check flow temperature sensor
according to table If values do not match, replace the
sensor
Check the voltage at the terminals
of the flow temperature sensor at
the heating circuit module
according to table If the sensor values matched, but
the voltage values do not, replace
the heating circuit module