Perma Pure SDS-Series 4C-D201_-D202 - Manual (Page 11)

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COPYRIGHT 2008, ALL RIGHTS RESERVED, Original Instructions
PERMA PURE LLC
SDS™-Series User’s Manual
Doc. #219: Revision: 000
Page 11 of 12
Troubleshooting guide
The SDS-Series is a very simple component of the sample conditioning system with no electricity,
heat or moving parts to fail. Problems can arise if there is a failure upstream which causes liquid
carryover or a high pressure or vacuum spike in the line. If these issues are suspected, please call
the factory. We have a dedicated technical support and repair department to help in trouble-
shooting and replacement parts.
Symptom Diagnostic Fix
No purge flow Check pressure of the
instrument air.
Supply correct pressure, 30-150
psig.
Restricted sample flow
Bypass the SDS system and
observe any changes.
If the restriction disappears, the
dryers in the SDS have failed and
may need replacement; call
factory at 732-244-0010 ext-145
for assistance.
If no change is observed, check
pump and other flow path
components.
No drying Check instrument air pressure
and quality.
Check for flow at exhaust
point.
Check inlet for condensation in
sample line.
Oil-free instrument air; 30-150
psig.
10-12 lpm for SDS-D201
20-24 lpm for SDS-D202
Call factory at 732-244-0010 ext-
145 for instructions on drying out
system.
Replacement parts
3DYK-001 Replacement membrane dryer
3RPA-001 Replacement instrument air regulator