44
STZSkW ed 12/07
ZEUS Superior kW
Technical Documentation
Technical Documentation
Apply voltage to the boiler and press the master switch ( ).
The display lights up.
No
See section A
Yes
Error 05 appears on the display
Yes
See error 05 section
Error 12 appears on the display
Yes
See error 12 section
Error 10 appears on the display
Yes
See error 10 section
Error 24 appears on the display
Yes
See error 24 section
Error 37 appears on the display
Yes
See error 37 section
No
Before every intervention:
Check that gas, water and electricity are connectedly correctly
to the boiler, according to that indicated in the plate data and
instruction manualì.
Also check that:
- the gas valve and the boiler parameters are correctly
adjusted;
- any devices outside the boiler function and are appropriately
adjusted;
- internal and external fuses are integral.
Before a maintenance intervention or replacement of
components, remove the electic power supply upstream from
the appliance.
For correct use of the trouble shooting table, on intervention it
is recommended to press the reset button, switch the boiler off
using the main switch and remove voltage from the appliance
for at least 5 seconds.
This is to allow the boiler to start a new ignition cycle.
Ignition cycle
HEATING PHASE
Press button A (WINTER).
Turn the heating selector to maximum and prevent domestic water
operations by pressing button B.
N.B.: wait for the completion of any domestic water request if the storage
tank temperature is below 20°C. At the end of the request the display must
show HEATING.
The circulation
pump starts.
No
Check the presence of the TA jumper on clamps
40-41 of the circuit board.
N.B.: the jumper must not be present when
external devices are installed such as the TA,
CAR, programming clock, etc...
Check the effective request from any exsternal
devices (TA/CAR/programming clock).
See
error 31 section.
No
See section B
Yes
The 3-way valve
goes to the heating
position.
No
See section C
DOMESTIC WATER PHASE
Press button A (SUMMER).
Turn the domestic water selector switch to maximum and open the cock
N.B.: the display must show DOMESTIC
The circulation pump
starts.
No
See section B
Yes
The 3-way valve goes
to the domestic water
position.
No
See section C
Yes
The fan starts-up.
No
Error 02 appears on the display
See error 02 a-section
No
Error 15 appears on the display
See error 15-section
No
Error 11 appears on the display
See error 11-section
No
Error 03 appears on the display
See error 03 a-section
Yes
Error 013 appears on the display
Yes
See error 13-section
Error 20 appears on the display
Yes
See error 20-section
Error 03 appears on the display
Yes
See error 03 b-section
No
The ignition electrodes perform the
discharge.
No
Error 31 appears on the display
(wait for the board to perform two ignition cycles).
See error 01 a-section
Yes
Troubleshooting.