31
1. Briefly press push-button. and
appear. Pressing the thermostat displays the error
code . In the event of multiple errors these can be
retrieved in succession by pressing the thermostat.
Once all errors have been read the unit automatically
switches to the „Temperature“ display.
Hot water tap open.
symbol and light up. In the event of
errors an error code, e.g. „ “ appears if the
thermostat is pressed, see Table 6 „Error code“.
English
6. Switch to service mode „Output“ by pressing
thermostat.
Fault recovery by installer
Service mode activated. Unit live Display.
Explanation
Tab. 5
Display
2. Switch to service mode „Temperature“ by pressing
thermostat.
3. Switch to service mode „Inlet temperature“ by
pressing thermostat.
4. Switch to service mode „Outlet temperature“ by
pressing thermostat.
5. Switch to service mode „Throughflow“ by pressing
thermostat.
7. Return to 1 etc. by pressing thermostat.
Bar is actuated as far as 1st segment. Setpoint, e.g.
, is displayed.
Bar is actuated as far as 2
nd
segment. Display changes
to inlet temperature, „°C“.
➩ Measure inlet temperature, if non-conforming,
temperature sensor is faulty. Replace power
electronics board (Fig. 7, item 15).
Bar is actuated as far as 3
rd
segment. Display changes
to outlet temperature, „°C“.
➩ Measure outlet temperature, if non-conforming,
check hot-water temperature sensor (Fig. 7,
item 19).
Bar is actuated as far as 4
th
segment. Display changes
to current flow rate, „l/min“.
a) Measure flow rate, if non-conforming, check flow
meter (Fig. 7, item 23).
b) Check motor-operated valve:
Press M1 ➙ Setpoint = 30 °C ➙ Motor open
Press M2 ➙ Setpoint = 60 °C ➙ Motor closed
8. Exit service mode by pressing „ “ push-button.
Close hot-water tap.
In items 1 - 7 the setpoint temperature can be retrieved or
changed using the memory push-buttons M1 and M2:
Press „M1“ è setpoint temperature 30 °C
Press „M2“ è setpoint temperature 60 °C.
SERVICE symbol disappears, setpoint displayed.
Error messages are deleted.
Bar is actuated as far as 5
th
segment. Display changes to
standardized power, „%“.
7031.01
Tab. 6
Error code table
➟ inlet sensor ➟ short circuit
➟ inlet sensor ➟ break
➟ inlet temperature ➟ > 55 °C
➟ outlet sensor ➟ short circuit
➟ outlet sensor ➟ break
➟ outlet temperature ➟ > 70 °C
➟ Hall signal level ➟ faulty
➟ safety monitor ➟ faulty
➟ safety monitor ➟ faulty
➟ motor-operated valve ➟ faulty
To Next Page
Loading...
