A SERVICE OF

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cmek2de1
9 Gas valve
cmek2e11
The gas valve is connected to board contacts G04 and G05. The valve is energised
via triac TC1.
10 Activation, contactor
cmek2e10
The start signal to the power unit is connected to board contact G03. The contactor
is energised via triac TC2.
11 Processor
The processor incorporates EPROM memory in which the machine’s program is
stored.
The processor monitors the wire feed speed. If the speed deviates from the set speed
by more than 1.5 m/minute for more than five seconds, wire feed will be stopped..