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6.9. Testing of device's outputs.
To make checking the controller work easier, it is possible to test output circuits
which control the fan and the pump, and the circuit which controls additional boiler. By
choosing
[outP]
on the display and pressing OK button you can turn on the circulating
pump for a while, by choosing
[outΠ]
and pressing OK you can turn on the pressure
fan and by choosing
[outr]
and pressing OK you can turn the additional boiler, the
alarm signaling system or the mixing valve servo-motor on (if the additional module is
connected).
6.10. Factory defaults.
You can return to standard settings, set by the producer, by choosing
[Prod]
option
in service mode and pressing OK button. After activating this function, the device sets
each parameter showed in the table to default.
6.11. Exiting service mode.
By choosing
[End ]
option on the display and pressing OK button you can quit
service mode. The device also quits service mode, when no buttons are pressed for 1
minute.
7. Device failures.
The controller is constantly testing if its internal circuits and temperature sensor are
working correctly. After detection of fault, it stops the pressure fan, turns on the
circulating pump and shows proper error message on the display. In case of failure
please turn off the controller, plug the circulating pump to the power source, bypassing
the controller, ensure appropriate fuel firing in the boiler and contact the service.
When
[E 1]
error appears on the display, it means fault (short-circuit) in the boiler
sensor circuit or temperature below -9°C.
[E 2]
is displayed if boiler overheats.
[E 3]
error means fault and overheating at the same time. Appearing of
[E 1]
error on the
display without ability to cancel it by pressing STOP button, in spite of temperature
below 90°C, may mean permanent damage of boiler temperature sensor (e.g. if the
boiler overheated above 150°C).
[E 8]
error on the display indicated malfunction in
exhaust gas sensor circuit. In this case the controller disables exhaust gas thermostat
(it will behave as if exhaust gas temperature was always higher than temperature set
with additional thermostat knob).
8. Device removal.
In case of need to remove the controller from the system:
- turn the master switch off,
- disconnect the power of the boiler,
- remove the controller from the slot in the boiler,
- disconnect all connectors with cords from the controller.
