3-38 WorkCentre C2424 Service Manual
37,013.40: PEST - Electronics module cooling fan disconnect. The electronics
cooling fan is not drawing the expected power from the supply.
37,014.41: PEST - Drum cooling fan disconnect. The drum cooling fan is not
drawing the expected power from the supply.
Troubleshooting Procedure
Step Questions and Actions Yes No
1
1. Run the appropriate diagnostic test:
37,002.47 = Left Jetstack Heater
37,003.48 = Right Jetstack Heater
37,004.40, 37,005.41 = Reservoir Heater
37,006.42 = Drum Heater
37,008.44 = Preheat Heater
37,009.45 = Ink Melt 1
37,010.46 = Ink Melt 2
37,011.47 = Ink Melt 3
37,012.48 = Ink Melt 4
2. Did the test pass?
Go to Step 3. Go to Step 2.
2
1. Check the wiring running from the problem
component to the printhead.
2. Is the wiring damaged or not working
properly?
Replace the
problem wiring
harness.
Replace in the
following order:
â– Drum
assembly
â– Preheater
â– Printhead
â– Ink loader
Troubleshooting Procedure
Step Questions and Actions Yes No
1
1. Run the appropriate diagnostic test:
37,013.40 = Electronics Cooling Fan
37,014.41 = Drum Fan
2. Did the test pass?
Go to Step 3. Go to Step 2.
2
1. Check the wiring for the problem fan.
2. Is the wiring damaged or not working
properly?
Replace the
problem wiring
harness.
Replace the
problem
component:
â– Electronics
cooling fan
â– Drum Fan