Crafco EZ 500 Series II, Руководство пользователя

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EZ 500 Series II Melter Part Manual
Chapter 8 Troubleshooting
©2019 by Crafco, Inc. All Rights Reserved………………...………………………………..……………...Troubleshooting 8-21
8.3 Hose Troubleshooting
Symptom: Hose Does Not Heat 8.3.1
Step Possible Cause If . . .
1 Is the Material Temperature Display at or
above 275°F?
•
Yes, go to Step 2.
•
No, continue to allow the machine to heat.
(Make sure the Material dial and the Hot
Oil dial are set at operating temperatures.)
2 Is the red "HEATED HOSE" light "ON"?
•
Yes, go to Table 8-20 Electrical
Troubleshooting.
•
No, allow the machine to heat material to
275°F.
2a Is the circuit breaker tripped?
•
Yes, reset the circuit breaker by pushing in
the button which has popped out.
•
No, go to Table 8-20 Electrical
Troubleshooting.
NOTE : Use Fig. 8.9 Hose Circuit Schematic while troubleshooting the hose electrical system.
Step Possible Cause If . . .
1 Is there 12Vdc between “BATT” terminal of
the generator and a nearby ground source
(lug on battery tray)?
•
Yes, go to Step 2.
•
No, go to Step 6.
2 Is there 24Vac between the white, green, and
black wires?
NOTE : Do this test inside the junction box.
Check between black and white, black and
green, and green and white.
•
Yes, go to Step 2a
•
No, stop the engine, tighten the belt, restart
engine and recheck output voltage.
•
Still no, replace the generator.
2a Check the three heating element wires (blue)
in the junction box for 30 Amps cold or 20-22
Amps hot.
NOTE : Always use a clamp-on amp meter to
perform this test. Each wire should have the
same amp reading (+/- 1 amp).
•
Yes, the hose should be working properly.
•
No, go to Step 3.
Table 8-19 Basic Visual Troubleshooting
Table 8-20 Electrical Troubleshooting