Webasto Thermo Top Z Shop Manual page 3

Thermo Top E and Z/C
5 Troubleshooting
5.1 General Fault Symptoms ...................................................................................................................... 501
5.2 Error Messages during Functional Test with Diagnosis Tester Thermo Test ....................................... 502
5.3 Malfunctions.......................................................................................................................................... 503
5.3.1 Error Lockout by Malfunction of Heater ...................................................................................... 503
5.3.2 Error Lockout due to Low or High Voltage.................................................................................. 503
5.3.3 Error Lockout Reset.................................................................................................................... 503
6 Functional Checkouts
6.1 General ................................................................................................................................................. 601
6.2 Functional Tests in the Vehicle............................................................................................................. 601
6.2.1 Heating Operational Test (Thermo Top E and C)....................................................................... 601
6.2.2 Timer Functional Test (Thermo Top E and C)............................................................................ 602
6.2.3 Telestart T60 Functional Test (Thermo Top C) .......................................................................... 602
6.2.4 Telestart T70 Functional Test (Thermo Top C and E)................................................................ 602
6.2.5 Functional Test with Diagnosis Tester Thermo Test .................................................................. 603
6.2.6 CO Setting ................................................................................................................................ 604
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6.3 Repair Shop Level Testing ................................................................................................................... 604
6.3.1 Components Testing .................................................................................................................. 604
7 Circuit Diagrams
7.1 General .................................................................................................................................................. 701
8 Servicing
8.1 General ................................................................................................................................................. 801
8.2 Work on the Heater............................................................................................................................... 801
8.3 Work on the Vehicle.............................................................................................................................. 801
8.4 Heater Test Run ................................................................................................................................... 801
8.5 Servicing ............................................................................................................................................... 801
8.6 Visual Inspections and Installation Regulations.................................................................................... 801
8.6.1 Connection to Vehicle Cooling System ...................................................................................... 801
8.6.2 Connection to Vehicle Fuel System............................................................................................ 803
8.6.3 Air Intake Muffler ........................................................................................................................ 805
8.6.4 Exhaust Line............................................................................................................................... 805
8.7 Removal and Installation ...................................................................................................................... 806
8.7.1 Heater, Removal and Installation ............................................................................................... 806
8.7.2 Timer, Removal and Installation ................................................................................................. 806
8.8 Initial Operation..................................................................................................................................... 806
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List of Contents
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