DHL Regenerative Dryer w/SHDC-2300 touch screen controller User Manual US-EN
Subject to EAR. ECCN EAR99 and related export control restrictions.
Possible Cause – Suggested Action
message is
displayed on
The SHDC-
2300 controller
screen
Humidity at dryer outlet – Refer to “Moisture in the Outlet Air” to resolve the issue.
The dew point meter has been changed – Ensure that there is a constant flow of air
passing through the dew point measuring cell.
The shuttle valve of the air being supplied to the dew point meter is blocked – Clean and
ensure that the dry air flows from the tower when it’s drying.
Verify the electric connection of the proble.
The probe is broken – Replace it.
There is an air leak with the pipes and / or joints that connect the equipment – Verify the
connections and replace the damaged parts.
A pipe or a joint which connects the equipment is clogged – Replace it.
Filter has to be replaced – Check display.
If optional differential pressure switches are installed on the filters – Replace the filter
elements.
If no switches are installed on the filters, then it means it has been 6000 hours and the filter
elements need to be replaced. Replace the element.
High dew point alarm. When the dew point at the outlet is greater than 33 degrees F, the
“Hi dew point” message and the alarm light is turned ON. Refer to “Moisture in the Outlet
Air” to resolve the issue.
The optional pressure switch in the right or left tower has failed. This indicates the
corresponding tower has failed to pressurize. Refer to the screen to identify the tower that
has not been pressurized. Follow the steps in 2, 3, and 4. Replace the pressure switch if it
is found bad.
NOTE: The troubleshooting and the eventual checks have to be performed by qualified personnel.
NOTE: We suggest enabling the TEST modality to make troubleshooting operations easier (see
Section 6.11) and gradually verify the the operating steps are performed correctly.
NOTE: Maintenance personnel must wear hearing protection while operating the dryer. Each
employee must select proper PPD (Personal Protection Device) hearing protector (earmuffs, ear
canal caps and ear-plugs) in order to prevent any discomfort or damage to the operator’s hearing.
To Next Page
Loading...
