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Error
Warning
No.
message
Water
temperature
too high
Cannot access
programming
Mode and
parameter
settings
Seeing 3 dots,
one by one, on
the screen
Appendix
Sensor position
Min. 200 mm
Min. 200 mm
Insulation
Problem causes
Water heating cable
temperature is too
high
Insulation
thickness deviates
from the required
insulation thickness
The ambient
temperature value
entered is too low
Controller is
password protected
Pushing the screen
for 30 seconds
causes controller
to enter screen
calibration mode
(it can be triggered
also from the service
menu)
Sensor positioning
on metal pipes
HWAT-R/-M/-L
Pipe/boiler coupling
HWAT-ECO sensor
Aluminium tape
Boiler
Corrective actions
Change heating cable type in
HWAT-ECO (can only be done in
Quick start).
Adjust power correction factor.
Change value of ambient
temperature.
See 4.2
Enter your 4-digit
password.If you forgot your
password, enter the backup
password (3000) to unlock
the controller. See key lock
All 3 dots have to be pressed
one by one for calibration before
jumping back to the main screen
Sensor positioning
on plastic pipes
ATE-180
Boiler
Note: For plastic pipes
position sensor on metal
boiler coupling
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