Vaillant geoTHERM SERIES, Руководство по установке

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Fault diagnosis and rectification
98
Installation instructions geoTHERM 0020051574_04
11
11.2 Faults in eBUS components
Fault code Error text/description Possible cause Solution
1 XXX address YY not achievable A component XXX connected via the
eBUS, e.g. VR 60 with the address
YY is not recognised.
>
Check the eBUS lead and plug.
>
Check that the address switch is correctly
set.
4 XXX Address YY Sensor
fault ZZZ A sensor ZZZ of one of the compo-
nents XXX connected via the eBUS,
with the address YY, is faulty.
>
Check the Pro-E plugs on the circuit boards.
>
Check the sensors for correct operation.
>
Replace the sensors.
5 XXXX setpoint not achieved XXXX setpoint not achieved.
>
Check the temperature target value.
>
Check the contact of the temperature sensor
with the medium to be measured and estab-
lish a proper contact if necessary.
11.1 Faults in eBUS components
11.3 Faults with temporary warning
The following warnings are caused by temporary malfunc-
tions in the operation of the heat pump. The heat pump,
including the compressor, remains in operation. The follow-
ing faults are displayed in the Menu 1 as a warning mes-
sage and in the Error History (
¬ operating instructions ).
Fault code Error text/description Possible cause Solution
26 Overheating on compressor
pressure side Excessively high output with a high
flow temperature.
VRC DCF receiver with integrated
outside temperature sensor not con-
nected (display "-60 °C" = calculated
flow temperature too high).
>
Reduce the heating curve.
>
Check the required heating output (floor dry-
ing, building shell) and reduce if necessary.
>
Connect the VRC DCF receiver provided.
36
(VWS only) Low brine pressure Pressure drop in the brine circuit
due to leaks or air cushions.
Pressure < 60 kPa (0.6 bar)
>
Check the brine circuit for leaks.
>
Top up the brine fluid.
>
Rinse and bleed the brine circuit.
11.2 Faults with temporary warning