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21
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9. TROUBLESHOOTING
The MD1 display module displays the following alarms that have the priority on all the other displayed
messages.
The following alarms cause door immediate opening.
NOTE: where indicated, perform an ALARM CLEAR to restore door operation. If it does not work, perform a
POWER RESET as speci¿ed in the INSTRUCTIONS FOR USE on page 26.
DISPLAY
ALARM
DESCRIPTION
INTERVENTION
POWER
RESET
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sensor.
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sensor.
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installed on terminal 8.
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sensor.
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sensor.
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installed on terminal 8B.
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sensor.
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E0 - Encoder failure
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reversal
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to test performance
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