Buderus Logamax plus GB162 Applications Manual page 24

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2.7.2 MCM10 LED Functions
MCM10 Front Panel
1
1
2
3
4
5
Fig.18 MCM10 LED functions
Technical specifi cations are subject to change without prior notice
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GRN
Off: No power / internal error MCM10
On: Standard operation
GRN
Off: Pump off
On: Pump on
RED
Off: No fault present
!
Blinking: System fault present (example: system, switching contact activated.
GRN
Off: No communication
On: Communication between MCM10 and the previous MCM10.
Communication between MCM10 and a Heating Controller (e.g. RC35)
GRN
Off: No heat demand, boiler on stand by
On: Heat demand, boiler in operation
GB162 Applications Manual
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Logamax plus GB162 applications manual | 03.2013