Table of Contents
Advertisement
4 .1 Display diagnostic
The display indications provide help in the diagnosis of fault find-
ing.
The control panel display gives other information for the user.
The following table gives fault code, error and the reson for the
fault.
Er 01 + RESET Lack of burner ignition on safety lockout
Er 02 + RESET Safety thermostat intervention lockout
Er 03 + RESET General lockout
Faulty primary circuit (no water or absence
Er 04 +
of flow)
Faulty fan control system
Er 05 +
Faulty C.H. temperature probe NTC
Er 06 +
Faulty D.H.W. temperature probe NTC
Er 07 +
Faulty external temperature probe NTC
Er 08 +
Faulty flue temperature probe NTC
Er 09 +
Er 10 + RESET Flue probe intervention lockout
An 11
Flame detection error (An flashing + number
error flashing
Faulty central heating temp. probe NTC (re-
Er 12 +
turn)
DT delivery-return >40K
Er 13 +
Er 14 + RESET Faulty pump (absence of water flow in the
main circuit) or primary temperature above
105 °C
Faulty primary circuit (no water or absence
Er 14 +
of flow) (temperature in-crease > 2K/s) (the
boiler can't restart for 10 minutes)
Domestic hot water inlet probe failure (if pre-
Er 19 +
sent)
Er 25 + RESET Flame detection error
Er 69
Wiring error lockout
Li 01
Primary circuit temperature limit during
D.H.W. operation
Maintenance required
The wrench symbol is flashing (without show-
ing any error)
4 .2 Programming the maintenance period
1 To enter in the parameters setting mode press sequentially
the 3 keys "B - C - A" (Figure 4.1) and hold in for 10 second
until the display shows Figure 4.2.
Figure 4 .1
FAULT FINDING
Figure 4 .2
2 Scroll the various parameters using keys "A" or "C" (Figure
Figure 4 .3
3 Press keys "B" and "A" (Figure 4.1) at the same time until
Figure 4 .4
4 Pressing key "A" makes it possible to change the value of
5 By pressing key "B" (Figure 4.1) confirmation of the inserted
A
6 By pressing keys "B" and "C" (Figure 4.1) together, you will
B
C
7 Press keys "B - C - A" (Figure 4.1) together for 10 seconds to
4.1) until the LCD display indicates the letters Pr, alternating
with the code 28, indicating entry in "parameter 28" (Figure
4.3).
the LCD display indicates the value of parameter 28 (e.g.12
default value) Figure 4.4.
parameter 28 from 0 to 48 months. It is possible to set pa-
rameter 28 to 99 thereby disabling the maintenance request
(symbol
will disappear from the display).
value is obtained.
exit without changing the value (return to parameter list Fig-
ure 4.3).
exit "programming mode".
- 13 -
Advertisement
Table of Contents
