Troubleshooting Guide - Deltech SPX Flow DSHD Series Instruction Manual

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Troubleshooting Guide

NOTE: Refer to the P&I-schematic diagram and Dimensional Drawings for components specified in parentheses (e.g. B006).
WARNING – A POTENTIAL ELECTRICAL SHOCK HAZARD EXISTS. Some of the troubleshooting checks may require gain-
ing access to the dryer's electrical enclosure while the power supply is energized and should be performed by a
qualified electrical technician
WARNING – Before performing any electrical or mechanical repairs or maintenance, or removing or disassembling
any component, be sure to de-energize and depressurize the dryer
Water in the compressed-air system
Possible Cause
Condensate residues which formed prior to
starting up the dryer are in the compressed-
air system
Bypass open.
Condensate from the prefilter not separated.
The operating parameters have changed
since the desiccant dryer was installed.
High pressure loss through the desiccant compressed air dryer
Possible Cause
The capacity of the pre and/or -after filter
cartridge are overload.
The operating parameters have changed
since the desiccant dryer was installed.
Display: 310
(LED Warning/ Service/ Alarm glows yellow)
(Service time expired, leads to deactivation of the relay warning / service)
Possible Cause
Service time expired
Remedy
Blow out compressed-air system with dry air until no more moisture is con-
densed out. Open collection point at most remote position, if possible.
Close bypass.
Carry out check by trained staff and repair, if necessary.
Correct to the original operating parameters as the dryer was designed.
Remedy
Replace the filter cartridge (see annex filter).
Restore the operating conditions for which the dryer was designed.
Remedy
Carry out maintenance and reset service counter.
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