Bosch HP270-2 - Troubleshooting - Codes E06 & E07; E06 - Warning Code (Button Press); E07 - Lock Out Error (Coil NTC Sensor)

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Code E06 – Warning Code
Setting buttons pressed for more than 30 seconds.
Self Reset error after release the buttons
Code E07 * – Lock Out error (reset by pressing OK for more than 3 sec)
Fault in the coil NTC temperature sensor
The NTC sensor is
interrupted or in short
circuit
[R] > 55 kΩ or < 0.68 kΩ
[R] = ∞ Ω
NTC value out of
range
NTC interrupted
Replace NTC
Plug NTC connection
wire and turn ON unit
Problem solved?
End
Change accessory
box
Problem solved?
Replace control unit
See spare part list
See spare part list
Refer to table with
values in Service
Manual
Yes
No
No
Yes
No
No
Yes
Yes
ATTENTION:
NTC systems (coil / Tank)
Ensure NTC connection wire is
correctly plugged in accessory box
Unplug connection and Measure the
NTC electrical resistance [R] (Ω)
Ensure connection cable from
accessory box is connected to the
control unit