Wilkerson DE5 - Manual (Page 11)

Wilkerson Compact Heatless Air Dryers
Instruction Manual / DE3, DE4 and DE5
MODELS DE3, DE4 AND DE5 TROUBLESHOOTING GUIDE
B PROBLEM: RESTRICTED FLOW THROUGH UNIT
POSSIBLE CAUSE CHECK CORRECTIVE ACTION
B1 Improper operating conditions. See A2, A3, A4 above.
B2 Dirty or obstructed inlet air See A5 above.
filter.
B3 Plugged air passages. Check inlet and outlet air Clear restrictions.
passages and piping for
blockages.