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Display group 016: > < Table of the codes displayed in display zone 4 of display group 014

A2

Display group 015:
Display group 015:
Input signal from the auxiliary heater and counter for compressor shut-off criteria
   
Display zoneMeaningExplanatory notes
1Display zone not in use
Intended for the cut-in signal from an auxiliary heater
t  Display = Off
–  No auxiliary heater signal

–  Voltage applied to connector “D”, contact “10” for the operating and display unit for air conditioner/Climatronic -E87- less than 5 V
 
t  Display = On
–  Auxiliary heater cut-in signal is applied
–  Voltage applied to connector “D”, contact “10” for the operating and display unit for air conditioner/Climatronic -E87- greater than 5 V

  Note
t  At present, there are no plans to install an auxiliary heater.
t  If the operating and display unit for air conditioner/Climatronic -E87- remains in operation after the ignition has been switched off and “1” is displayed, locate and rectify the short circuit to positive at connector “D”, contact “10”.
t  In the case of vehicles with a diesel engine and a fuel-powered additional heater, there is no connection for actuation between the auxiliary heater and the operating and display unit for air conditioner/Climatronic -E87-. The additional heater does not actuate the output reserved for this signal either → Additional Heater; Repair group 01
   
Display zoneMeaningExplanatory notes
2Display zone not used. 
3Display zone not used. 
4Counter for compressor shut-off operations which are not requested by the operating and display unit for air conditioner/Climatronic -E87-.
t  Display = 0
–  The compressor has not been switched off by another control unit since the fault memory was last erased.
t  Display = 1.... X
–  The compressor has often been switched off by one or more other control units since the fault memory was last erased → Chapter (display group “002”).
 

   

Display group 016: > < Table of the codes displayed in display zone 4 of display group 014