Specifications
Logamax plus GB142 applications manual | 01.2012
Technical specifi cations are subject to change without prior notice
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GB142 Applications Manual
2.6.2 MCM10 LED Functions
MCM10 Front Panel
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2
3
4
5
Off: No power / internal error MCM10
On: Standard operation
Off: Pump off
On: Pump on
Off: No fault present
Blinking: System fault present (example: system, switching contact activated.
Off: No communication
On: Communication between MCM10 and the previous MCM10.
Communication between MCM10 and a Heating Controller (e.g. RC35)
Off: No heat demand, boiler on stand by
On: Heat demand, boiler in operation
GRN
RED
GRN
!
GRN
GRN
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4
5
Fig.17 MCM10 LED functions










