Troubleshooting

PROBLEM

CAUSE

SOLUTION

 

 

 

 

 

 

 

FTS failed or is not contacting

Check FTS, page 11.

 

correctly.

 

 

 

 

 

FTS not installed correctly.

FTS should be installed close to end

Hose does not heat.

 

of hose in same environment as gun.

 

 

Verify FTS installation, page 32.

 

 

 

 

Temperature control alarm.

Check temperature display or diag-

 

 

nostic code, page 32.

 

 

 

Hoses near Reactor are warm, but

Shorted connection or failed hose

With hose heat on and temperature

hoses downstream are cold.

heating element.

setpoint above displayed hose zone

 

 

temperature, verify voltage between

 

 

connectors at each section of hose.

 

 

Voltage should drop incrementally for

 

 

each section of hose further from

 

 

Reactor. Use safety precautions

 

 

when hose heat is turned on.

 

 

 

3A1570A

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Graco A-25 important safety instructions Problem Cause Solution