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6BASIC TROUBLESHOOTING WEBASTO THERMO 300
6-2
switch or timer is cycled “Off” and “On” and the heater successfully starts and runs with no further malfunctions, the
malfunction code will disappear from the timer display.
6.2.2 Malfunction Codes Stored in Memory
Once the Thermo 300 completes the after run (cool down) period initiated by a malfunction, the current flash code will
be downloaded (stored) in memory. The Thermo 300 can store up to ten malfunction codes. Once the memory is
“Full”, any additional malfunction code will replace the earliest code stored thereby continually updating the
malfunction codes stored in memory with the ten most recent malfunctions.