Graco 332511A - ExactaBlend AGP Advanced Glazing Proportioner Manual De Usuario

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Troubleshooting 
16
332511A
Troubleshooting
Before performing any troubleshooting procedure:
1.
Perform Pressure Relief Procedure In the Exact-
aBlend AGP Advanced Glazing Proportioner, 
Setup-Operation manual.
2.
Turn off main disconnect at the machine.
3.
Allow equipment to cool.
Try the recommended solutions in the order given for 
each problem, to avoid unnecessary repairs. Also, 
determine that all circuit breakers, switches, and con-
trols are properly set and wiring is correct before assum-
ing there is a problem.
Common Problems
Problem
Cause
Verification
Solution
Heating is slow.
Low power.
Measure voltage across cir-
cuit breakers. Voltage 
should measure between 
190 and 264 Vac.
1.
If voltage is lower than 
expected, use electrical 
schematic to locate 
faulty wiring or connec-
tion.
2.
Have a qualified electri-
cian service electrical 
components.
Heating over shoots.
Defective solid state relay.
Verify for given zone that 
temperature does not 
increase when zone is dis-
abled.
Verify RTD wire or heater 
power cord is attached to 
correct heat module.
Replace relay.