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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.
After 5 s select the maximum speed or the minimum speed with the
1
The first 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
8.8 Error mode
The display starts to flash in case of a fault originating from any heating element.
Follow the procedure indicated for identifying the errors.
POS.
1
Press
: the address of the first unit will appear on the display, alternating with the first error code.
The errors of the subsequent units that are not functioning will be displayed in succession, pressing
1.b
the
button. By pressing the
code E05). If the errors originate from the Master card, they are displayed as unit 00 errors (U 00 +
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.
VISUALIZED VALUES
Press "Set/esc" and
All system fans will operate at the selected speed.
Press "OK" to exit Test mode and return to Display mode.
PROCEDURE
The display starts to flash to indicate one or more errors.
Press
again to display the rest of the errors for this unit.
button, the errors will be displayed in reverse order (E.g. unit 2 error
error code).
at the same time for 5 s.
21
USE AND ADJUSTMENT
and
buttons.
DISPLAY
DISPLAY
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