Fault Phenomenon: Caterpillar AP555F paver heater burner has no spark, does not work.

Troubleshooting Process:
– Checked controller: ignition module has no high-voltage output.
– Checked coil: ignition coil breakdown.
– Checked power supply: insufficient supply voltage.
– Checked ground: poor grounding.

Root Cause: The burner ignition control module’s internal electronic components are damaged, unable to generate a high-voltage spark.

Required Parts: Replace ignition controller module.