Nordson FoamMix Flex, Руководство пользователя по изделию

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FoamMix Flex Foaming System
81
Part 1129048_01
E
2020 Nordson Corporation
Troubleshooting
WARNING! Allow only qualified personnel to perform the following tasks.
Follow the safety instructions in this document and all other related
documentation.
This section covers the most common problems encountered and provides
quick‐reference information for diagnosing control system faults. If you
cannot resolve the problem using the troubleshooting tables, contact your
Nordson representative for technical assistance.
FoamMix Flex Foaming Station
The following table provides FoamMix Flex foaming station specific
troubleshooting guidance. Refer to the melter manual for general melter
troubleshooting information.
Problem Possible Cause Corrective Action
1. Loss of foamed silicone No gas supply Check nitrogen tank pressure and
regulator position
Incorrect pressure differential
between the gas inlet pressure and
the silicone outlet pressure Ensure that the gas inlet pressure is
at least 150 psi. greater than the
adhesive outlet pressure
Gas valve failed
S
Check to insure all cables connect
properly
S
Replace gas valve (P/N 1508448)
Gas check valve poppet is stuck Remove and clean check valve
2. No adhesive output The melter has faulted Check and correct the melter fault
The melter pump is off Turn on pump
Adhesive output pressure at melter
is to low Check/adjust the output pressure to
between 500-800 psi
Input check valve fitting on
advance foaming system is
clogged Remove and inspect the check valve.
Clean or replace if necessary
Output check valve fitting on
advance foaming system is
clogged Remove and inspect the check valve.
Clean or replace if necessary
Clogged applicator module