2582463 - L50 HEATER NOT WORKING / UNDER NO CIRCUMSTANCES

The fan which sends air into the passenger compartment does not come on
Results of the tests
1FAN FUSE CHECKAll OKProblems metOperation
Check the condition of the heater fan fuse See   E6010  HEATER Continue to Step 2Fuse defectiveReplace the fuse (and search for the cause of the problem)
2FAN RELAY CHECKAll OKProblems metOperation

Check, in order:

  • The condition of the passenger compartment fan relay
  • Cables connected to the relay See   E6010  HEATER
Continue to Step 3Relay faultyReplace the relay
Connections short circuit and/or open circuitRestore connections
3FAN CHECKAll OKProblems metOperation

Verify:

  • the condition of the fan operating motor
  • cables connected to the fan
Continue to Step 4Motor faultyReplace the motor Op.   5020A30 
Connecting cables open circuit and/or short circuitRestore the correct connections
4FAN CONTROL CHECKAll OKProblems metOperation
Check the continuity at the passenger compartment air fan control contactsContinue to Step 5Fan control defectiveReplace the control Op.   5020B22 
Connecting cables open circuit and/or short circuitRestore the correct connections
5CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentFault persistsSearch for the fault starting from another symptom'