Nordson FP-200 - Page 60

Troubleshooting
6-4
Part 237478_03
E 2012 Nordson Corporation
Troubleshooting Guide (contd)
Table 6‐1 Troubleshooting Guide (contd)
Problem Possible Cause Corrective Action
1. No adhesive flow
from gun module,
contd.
Service block clogged Test service block (refer to Service Block
Pneumatic Operational Check in this
section). Clean or replace if clogged
(refer to Section7, Repair).
Nozzle (except zero cavity guns)
clogged
Refer to Nozzle Operational Check in
this section. Clean nozzle (refer to
Cleaning Extrusion Nozzles or Cleaning
Swirl Nozzles in Section5, Maintenance)
or replace if defective.
Failed module Rebuild or replace module (refer to
Section7, Repair).
Dirty or faulty triggering device
(airvalve)
Check for air flow to module. Clean or
replace (refer to Section7, Repair).
Broken spring Replace spring (refer to Section7,
Repair).
2. Adhesive flows
after trigger is
released or
without triggering
gun
Broken spring Replace spring (refer to Section 7,
Repair).
Failed module Rebuild or replace module (refer to
Section7, Repair).
Bad air regulator Replace regulator (refer to Section 7,
Repair).
3. Adhesive volume
cannot be
adjusted
Bad cartridge valve Replace cartridge valve (refer to
Section7, Repair).
Kinked or crushed air line Check hose. Clean or replace if
necessary (refer to hose product
manual).
Continued...