Cetetherm Mini Plus CM737, Инструкция по установке, обслуживанию и эксплуатации

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Cetetherm Mini Plus CM737
Installation, service and operating instruction
22
10
Troubleshooting the control panel
Symptom Possible Cause Remedy
A flashing symbol
appears on the display within
one minute after the control
panel being powered on.
The control panel receives
power supply from the
connection box, but no
information. The control panel is not
connected to the correct
terminals of the connection box.
A symbol appears
permanently (no flashing) on
the display.
Communication error due to an
interrupt or short circuit in the
link between the connection box
and the control panel. The control panel is not
connected to the correct
terminals of the connection box.
Contact Cetetherm.
Display is blank No power feed after the
installation of the control panel. Check that the power supply
cable of the connection box is
connected.
The control panel is not
connected to the correct
terminals of the connection box
The power supply or the
communication link between the
control panel and the
connection box has been
interrupted for more than 8 hrs. Check that the power supply
cable of the connection box is
connected.
After the power is restored the
time and day may need to be
adjusted
– otherwise contact
your service technician.
A flashing symbol
appears on the display after the
control panel being operating
for a period
The control box is showing an
error
Press the button, to see the
error code. See
10.1 Fault
codes on the control panel.
A flashing symbol
appears on the display and the
room temperature is replaced
by “—“
Internal fault in the temperature
measuring circuit. Contact your service technician.