Graco InvisiPac GS35 Plug-Free Instruction Manual page 15

Problem
Problem Problem
Gun will not heat
Gun overheats
Gun under-heats
Adhesive leaking from gun
3A2805M
Cause
Cause Cause
Heater failure
Loose cord set connection
RTD failure
Incorrect RTD for adhesive delivery
system
Thermal cutoff failure
Wrong RTD type selected
Heater failure
RTD failure
Incorrect RTD for adhesive delivery
system
Incorrect power to heater
Wrong RTD type selected
Heater failure
RTD failure
Incorrect RTD for adhesive delivery
system
Incorrect power to heater
Wrong RTD type selected
Module o-ring failure
Inlet fitting loose
Manifold filter o-ring failure
Nozzle loose
Module seal failure
Troubleshooting
Solution
Solution Solution
Check and replace
heater cartridge. See
Replace Heater Cartridge, page
Check connection.
Check and replace RTD. See
Check RTD, page 17.
Check delivery system RTD
requirement
Check and replace
thermal cutoff. See
Replace Thermal Cutoff, page
Check RTD type settings on the
system. Change if necessary. See
Select RTD, page 11.
Check and replace
heater cartridge. See
Replace Heater Cartridge, page
Check and replace RTD. See
Check RTD, page 17.
Check delivery system RTD
requirement.
Check and correct power.
Check RTD type settings on the
system. Change if necessary. See
Select RTD, page 11.
Check and replace
heater cartridge. See
Replace Heater Cartridge, page 20
Check and replace RTD.
Check delivery system RTD
requirement.
Check and correct power.
Check RTD type settings on the
system. Change if necessary. See
Select RTD, page 11.
Check and replace o-ring. See
Replace Module, page
Tighten fitting.
Check and replace o-ring.
Tighten nozzle.
Check and replace module. See
Check Module, page 16.
20.
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