A1S Group Evo1-MCP 1, Technical Manual

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Fault Finding
The curtains fail to close or part close on
receipt of a fire alarm signal or test.
The curtains fail to retract fully.
• Check there has been no modifications to the ceiling or walls that could prevent
the curtain and bottom bar from deploying.
• Check the curtain security tabs are correctly positioned within the guide
channel.
• Check the bottom bar is not snagged in the guide channels by the guides being
pinched.
• Check there is a minimum tolerance in the guide channel mouth of 8mm for the
full length of the guide channel.
• Check the bottom bar has sufficient weight to deploy the curtain.
• Check the brake light on the MCC is not illuminated if so the open time is not
greater than the travel time of the curtain in the open time settings of the MCB.
• Check there is a minimum tolerance in the guide channel mouth of 8mm for the
full length of the guide channel.
• Check the curtain security tabs are not pulling through onto the guide channel
running face.
• Check there is 24volts at the MCB motor terminal and power terminal.
• Check the dip switch settings within the MCC and increase the power if required.
• Check the curtain has not snagged on the guide fixings.
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