Webasto thermo top evo Workshop Manual

5 Troubleshooting Thermo Top Evo
514
15
Control unit
(fault memory)
Read out fault memory with Webasto Thermo Test
PC Diagnosis, then print out and clear fault memory
Include printed fault log when sending heater to
Webasto.
Complete replacement of fan unit if control unit is
defective.
16
Coolant
changeover
valve
Check continuity from connector X1 Pin 4 to connec-
tor X15.
Check continuity from connector X15 (brown wire)
against earth.
Apply 12 V voltage to connector X1, Pin 4 Valve switches audibly
Fault Component Recommended workshop action Parameter
Fig. 504 Overview of functional test of heater and its components
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Webasto thermo top evo Specifications

General

Brand	Webasto
Model	thermo top evo
Category	Water Heater
Language	English