Omniplus dot buses
  Abbreviations

OBD - Onboard diagnostics
WABCO ATR-E (ATC)
 
 
Read out fault memory
Prerequisites:
  • Vehicle at standstill
  • Turn system selector switch to heating-ventilation-climate control (HLK) position (see electrical key)
  • Drive switch on (drive switch to step 2, drive position)
Fault output via display on control panel:
  • Hold down check key (red) for at least two seconds
Note:
  • The ATR electronics system comprises the control panel and three substations. Each control unit has a separate fault memory. The alphanumeric position to the far right of the display shows which control unit has sent the indicated fault (addresses 7, 8, A, E or F).
    Use the "+" key on the control panel to scroll through the individual fault memories.
     
    Assignment of addresses for the Integro O 550 and Setra Kombibus:
     
    Address Control equipment connector Connector configuration Control range
    7 8 A 2 Roof channel right Wall heaters right and left
    8 8 A 3 Roof channel right Roof left and right
    A 8 A 4 Roof channel right Wall heaters rear and central right climate control system
    E, F 2 A 10 On the control panel (left side by the driver's seat) Driver's seat/hot water supply
 
Explanation of display indications
a) Indication example: No fault on control unit 7.
b) Indication example: Control unit 8 is reporting no current faults, but has stored a fault (missing segment in segment bar at lower edge of display; in the example, this is segment no. 6)
c) Indication example: Control unit E is reporting a current fault (80 = driver's seat water valve).
 
Clear fault memory
  • Press and hold down the check key with the drive switch at off,
  • switch on the drive switch (step 2, drive position),
  • release the check key after at least two seconds.
Note:
  • All fault memories (for the four control units) will be cleared.