Product Manual

CAP820

REV B

MARCH, 2017

Trouble shooting for DA Series

Problem:

Heavy air flow from one or both of the DA Exhaust ports (mufflers)

NOTE: Alternating “light” air flow from exhaust port (Muffler) is normal as this presents the

regeneration cycle.

Possible Cause

Remedy

Worn purge valve or dirt/ foreign material

is stuck in the purge valve

Clean cavities and replace purge valve

assembly Part # 619702

Worn inlet check valve

Clean cavity replace valve assembly Part

# 619702

Problem:

DA Series cycle will not alternate every two minutes

Possible Cause

Remedy

Micro Logic Timer (MLT) malfunctioning

Contact FSCurtis Customer Service

Or a local distributor at 314-383-1300

Air Control valve malfunctioning

Replace Air Control valve part # 619755

Air Line tubing connecting air control

valve and valve housing and/or manifold

damaged or missing

Replace / Repair air line or tubing

Problem:

Safety Valve opens

Possible Cause

Remedy

Safety Valve Malfunctioning

Replace safety valve part # 619740

200psi

System pressure setting exceeds safety

valve setting (200psi)

Reduce system operating pressure