freor VEGA QB HG, Руководство по эксплуатации

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Possible causes:
Error signal Potential reason Troubleshooting
The high temperature in
the inner space of the
serve-over
Power supply failure (the
system does not receive the
power supply).
Check electrical installations,
network, and fuses.
The temperature of the
uploaded products is
higher than the
temperature in the internal
space of the serve-over.
Remove warm products from the
cabinet and freeze them up to
the necessary temperature in the
freezer compartments.
Contamination of the
freezing coil.
Damage of the tightness of
the freezing coil.
Failure of the control valve
(TRV / ERV).
Leakage of the refrigerant.
Call the refrigeration
technician/service department.
Defrosting malfunction.
Failure of defrosting heating
elements.
Malfunction
of the
electromagnetic valve
functionality.
Failure of the defrosting
clock.
Failure of the control
system.
The icing of the evaporator.
High load in the serve-over,
unsuitable
number of
products.
Check loads of the shelves and
air circulation flows.
Reset factory settings in the
control.
Call the refrigeration
technician/service department.
Failure of the fans.
Call the manufacturer or qualified
representative.