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USE AND ADJUSTMENT
8.7 Test mode
In test mode it is possible to generate a high temperature heating demand at maximum power and at minimum power.
All system fans must be activated. If the installer turns off the switch for some Slaves, the others, connected to the Master, must
continue to operate.
Proceed as follows to enter Test mode from Display mode:
POS. VISUALIZED VALUES DISPLAY
1
Press “Set/esc” and
at the same time for 5 s.
After 5 s select the maximum speed or the minimum speed with the
and buttons.
All system fans will operate at the selected speed.
The rst digit indicates the selected speed (H = maximum speed; L = minimum speed).
The other two digits display the delivery temperature. E.g: T1 = 80°C.
2 Press “OK” to exit Test mode and return to Display mode.
8.8 Error mode
The display starts to ash in case of a fault originating from any heating element.
Follow the procedure indicated for identifying the errors.
POS. PROCEDURE DISPLAY
1 The display starts to ash to indicate one or more errors.
1.b
Press
: the address of the rst unit will appear on the display, alternating with the rst error code.
Press
again to display the rest of the errors for this unit.
The errors of the subsequent units that are not functioning will be displayed in succession, pressing
the
button. By pressing the button, the errors will be displayed in reverse order (E.g. unit 2 error
code E05). If the errors originate from the Master card, they are displayed as unit 00 errors (U 00 +
error code).
2 Press “Set/esc” to exit Error mode and return to Display mode.
See the chapter "Fault list" for a complete list of the errors.
8.9 Permanent block
In the case of burners with a permanent block, the “Reset” button must be pressed to reset their operation.
If the “Reset” button is pressed while in Display mode, all the Slave heating elements will be reset.
If the “Reset” button is pressed while displaying the error that caused the permanent block, only the heating element related to
the block will be reset.
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