TEL AFA4000/E - Auto Sash Alarm Indications

AFA4000/E VAV Airflow Controller / p.194
Menu
Parameter/Action
• Obstruction On / Off status
• User On / Off status (User detected)
• Sash open On / Off status
• Sash Locked On / Off status
13.3 Auto sash alarm indications
In an alarm condition, originating from within the fume hood, the current alarm displays in the
status window:
Alarm message
Description
Obstruction Detected
This is displayed when the sash beam is broken and when the
sash starts to close.
Remove the obstruction and press the Mute button to reset the
alarm.
Sash Fault
This is displayed when the sash does not close or open when
expected.
Check the sash drive for faults and press Mute to reset the alarm.
Remove Sash Lock /
Cancel to Reset
This is displayed when the sash is at or above the calibrated lock
position for longer than the pre-set alarm time.
Press Mute or lower the sash to reset the alarm.