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FM443/CMS 910
Error display
If a fault is shown on the display of your Programmer programming
unit, then you must open the cover of your Programmer
programming unit.
USER INFORMATION
Inform your heating engineer if faults arise on the function module
FM443/CMS 910 and these are shown on the display of your
Programmer programming unit.
If there are several faults, turn the rotary selector until the faults
affecting the solar circuit or one of the two solar consumers are
indicated.
The following fault messages can be displayed:
– Collector sensor
– Buffer sensor bypass
– Return sensor bypass
– Flow sensor heat amount
– Return sensor heat amount
– Cylinder 1, bottom
– Cylinder 2, bottom
– Flow metering
– Hysteresis setting
Troubleshooting | 15
6 720 803 142 (2011/06)
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