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11 Deinstallation and disposal
Danger
Risk of death by electrocution!
• Disconnect the device from the power supply before opening the casing.
• All work on an open device must be performed by professional personnel.
1. To dismantle the controller, follow the installation instructions in the reverse order;
see Section 3, p. 5.
2. Dispose of the device in accordance with the local regulations.
12 Information messages
Display Description
The maximum collector temperature has been reached, the
solar circuit pump in the respective solar circuit has been
switched off.
The symbols in the status display flash when the temperature
of the respective collector is selected
The maximum collector temperature has been reached, the
solar circuit pump in the respective solar circuit has been
switched off.
is shown in the status display when the temperature of
the respective collector is not selected.
The maximum storage tank temperature has been reached.
The symbols in the status display flash when the temperature
of the respective collector is selected.
13 Troubleshooting
Warning
Risk of death by electrocution!
• Immediately disconnect the device from the mains supply when it can no longer be
operated safely, e.g.in the case of visible damage.
• Disconnect the device from the mains power before opening the case.
• All work on an open device must be performed by professional personnel.
Note
The controller is a quality product, conceived for years of continuous trouble-free opera-
tion. Observe the following points:
• Faults are often caused by connected components and not by the controller.
• The following notes on fault identification indicate the most common causes of
faults.
• Only return the controller when you are absolutely sure that none of the problems
listed below is responsible for the fault.
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