EPT076596 Issue 1 – March 2022
31
System fault
The system fault alarm will be shown if there is a fault with
any of the following alarms:
- Pre-filter full
- Main filter full
- Auto adjust
Auto adjust
Filter signal: Low then High
OK signal: High
When first setting the airflow on your new extraction unit
the iQ2 will detect if the desired airflow is achievable with
the installation that has been connected to the extraction
unit, if the installation is causing too much restriction for the
desired airflow to be reached, the Auto Adjust feature will
be activated. The procedure events are listed below.
1) The airflow box will begin flashing Red.
2) The airflow setting on the screen will drop to display the
highest airflow that can be achieve.
3) The airflow will stabilise and red box and system fault
icon will disappear.
After the auto adjust has been carried out the hose kit
should be investigated, the normal cause of auto adjust is
too much restriction on the hoses attached to the system.
Pre-filter full
Filter signal: Low
OK signal: Low
When the Pre-filter becomes full, the alarm can only be
reset by replacing the Pre-filter to clear the blockage
detected by the internal sensors.
Main filter full
Filter signal: Low
OK signal: Low
When the Main filter becomes full, the alarm can only be
reset by replacing the Main filter to clear the blockage
detected by the internal sensors.
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