Product manual

ManualsBrandsSamson ManualsAmplifierB Series B900

Series B900-N and B900SW-N Manifold Mounted Electric Guns

Part 1041221B

E 2006 Nordson Corporation

Cleaning Nozzles (contd)

Problem Possible Cause Corrective Action

9. Gun will

not trigger

− adhesive

will not

dispense

Gun not heating correctly See above.

Poor electrical connections Check all wires and wire

terminations in the hose heater,

output connector, and RTD circuit.

With system power off,

disconnect the gun cordsets from

the melter. Check the heater and

RTD continuity. Also check each

heater through wire to ensure the

wire is not grounded. Replace

the hose if there is no continuity

or if a heater wire is grounded.

Incorrect component wiring Check all wires and wire

terminations in the hose heater,

output connector, and RTD circuit

and repair as needed. Refer to

the wiring diagrams under

Technical Data as needed.

Defective coil Unplug the gun cordset and

check the coil resistance across

the coil pins on the cordset.

Refer to the wiring diagrams and

resistance data under Technical

Data as needed.

Module stroke not properly

adjusted

Adjust the module stroke. Refer

to Adjusting the Module Stroke

under Installation.

Blockage in module or nozzle Disassemble and reassemble the

module, removing blockages and

cleaning parts as needed. Refer

to Replacing a Module

Component under Repair.

Adhesive viscosity too high Increase the overall system

temperature (melter, hoses, and

guns). If there is no change,

consult the adhesive vendor.

NOTE: Do not exceed material

specifications.

System not up to operating

temperature

Allow system to heat. Refer to

the melter manual for other