Ergon Crafco 46200EB, Parts Manual, Page: 67 / 202

EZ 1000 Series II Melter Part Manual
Chapter 8 Troubleshooting
©2019 by Crafco, Inc. All Rights Reserved………………...………………………………..……………...Troubleshooting 8-1
8.0 Burner Troubleshooting
8.0.1. Symptoms: Burner will Not Ignite
Step Possible Cause If . . .
1 Is the engine running?
NOTE : You can troubleshoot the burner
without the engine running, but you must
connect a battery charger to the battery
and the key switch must be in the “ON”
position.
•
Yes, go to Step 2.
•
No, start the engine or connect to a battery
charger.
2 Is the “BURNER” toggle switch in the “ON”
position?
•
Yes, go to Step 3. If this is a compressor
the go to Step 2a.
•
No, turn the toggle switch to the “ON”
position.
2a Is the Main Power switch “ON”?
NOTE: This step relates to compressor
units only.
•
Yes, go to Step 3.
•
No, turn “ON” the “Main Power” switch.
3 Is the red "Burner" light "ON"?
•
Yes, go to Step 6.
•
No, go to Table 8-3 Burner Electrical
Troubleshooting -4LE2 Engine Step 4.
4 Is the “BURNER LOCKOUT” Alarm
sounding?
•
Yes, hold “BURNER RESET” switch down
for 5 seconds.
•
No go to Step 5.
5 Are both the Material and Hot Oil
temperature dials set above the current
temperatures?
•
Yes, go to Step 6.
•
No, set the Material temperature according
to the type of material you are using and the
Hot Oil 100°F above the Material set point.
6 Does either readout display a -1?
NOTE: This occurs only when there is a
short in the sensor circuit.
•
Yes, this indicates a short in the circuit.
Check the RTD sensor for water causing a
short under the cap. Also look for worn
wires possibly shorting to frame between
sensor and control box.
•
No, go to step 6a.
6a Does either readout display a 1?
NOTE: This occurs only when the sensor
circuit is not completed.
•
Yes, this indicates a break in one or both of
the sensor wires between the RTD sensor
and the PAKSTAT. Check for broken wires
between senor and PAKSTAT.
•
No, go to Step 7.
7 Is the circuit breaker tripped?
•
Yes, reset by pushing in the button that
popped out.
•
No go to Step 8.
Table 8-1 Basic Visual Burner Troubleshooting