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9 Service/diagnostics
9 Service/diagnostics
You can access the service/diagnostic level by simulta-
neously pressing the programming button and the knob
for approx. 3 seconds.
Display
Actuators/Sensor values
Test collector pump 1 (solar pump)
Test collector pump 2 (booster pump)
Test anti-Legionella pump / Bypass-diverter valve
Electric heating element (EP) test
C1/C2 contact test
Cylinder temperature display for cylinder sensor 1
Cylinder temperature display for cylinder sensor 2
Temperature display for collector sensor
Table 9.1 Actuator/Sensor test
28
Test procedure
Collector pump 1 on, all other actuators off
Collector pump 2 on, all other actuators off
Anti-Legionella pump on, all other actuators off
Test electric heating element on, all other actua-
tors off
C1/C2 contact closed, all other actuators off
Installation and maintenance instructions auroSTEP plus 0020077748_FT1
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