Dimplex SOLCU3 Installation And Operating Instructions Manual page 91

The solar pump does not operate, despite the fact that the switch-on condi-
tions are satisfied:
Secondary symptoms
The pump symbol in the
display rotates.
The pump symbol in the
display does not rotate.
• The pump symbol in the
display does not rotate.
• The display illumination
is red.
• A tool symbol flashes in
the display.
• The pump symbol in the
display does not rotate.
• The display illumination
flashes red.
EN
Possible cause
• Pump power supply is
interrupted.
• Pump has seized up.
• The maximum storage
tank temperature has
been reached.
• The maximum collector
temperature has been
reached.
• In multi storage tank
systems: the system has
stopped due to a priority
test.
• The minimum collector
temperature has not
been reached.
• The maximum loading
temperature has been
reached.
• Stagnation reduction
activated
• Storage tank deactivated
The operating switch is set
to manual operation and
the pump output is set to
„off".
Short circuit or interruption
of a temperature sensor
730.137 | 08.37
Procedure
• Check the pump power cable.
• Check the fuse in the controller
(replacement fuse is located in the
case).
• Get the pump working again, replace
if necessary.
• No fault
• Set the operating switch to auto-
matic operation.
• On the controller, request the current
values from all connected tempera-
ture sensors.
• Check all defective sensors and/or
sensor cable.
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