Fault Phenomenon: XCMG RP953 paver burner flame is unstable, easily extinguished.

Troubleshooting Process:
– Checked motor: air damper adjustment motor seized.
– Checked linkage: air damper linkage detached.
– Checked control: air-fuel ratio setting incorrect.
– Checked feedback: position sensor faulty.

Root Cause: The burner air damper adjustment motor is faulty, preventing the damper opening from adjusting with load, causing an unbalanced air-fuel ratio.

Required Parts: Replace air damper adjustment motor.