Glow-worm Ultracom 2 24cxi Installation And Servicing page 33

13.2.3 Status of the appliance
• Press button
under the symbol
seconds to learn the current state of functioning of the
appliance.
The screen displays the state of the appliance "S.XX".
• Press button
for more than 3 seconds to exit this
menu.
Status Heating Mode
S.00 No request for heating
S.01 Pre-run fan
S.02 Pre-run pump
S.03 Ignition
S.04 Burner lit
S.05 Post run pump/fan
S.06 Post run fan
S.07 Post run pump
S.08 Time delay anti short-cycles after heating
Domestic hot water mode
Status
S.10 Request for domestic hot water
S.11 Pre-run fan
S.13 Ignition
S.14 Burner lit
S.15 Post run pump/fan
S.16 Post run fan
S.17 Post run pump
Domestic hot water heating
Status
S.20 Pre-run pump
S.21 Pre-run fan
S.23 Ignition
S.24 Burner lit
S.25 Post run pump/fan
S.26 Post run fan
S.27 Post run pump
S.28 The boiler blocks tank reheating after a reheating cycle.
Specific messages
Status
Default status, no request for heating or domestic water. If
an EBUS controller is connected to the boiler, check that
S.30
a wiring link is present on terminals 3 and 4 of the boiler's
main board.
S.31 "Hot water only" mode
Control cycle: the speed of the fan in the functioning phase
S.32
is outside tolerance.
S.34 "Frost protection" mode
Underfloor heating contact open.
S.39
S.40 Heating mode activated
S.41 Water pressure too high
Waiting cycle: temperature differential between heating flow
S.53
and return is too high. If ∆T > 30, forcing to Pmin.
Waiting cycle: lack of water in the installation/temperature
S.54
rise between heating flow and return is too high.
S.96 Test temperature sensor for heating return.
Test temperature sensors for heating flow and return, or the
S.98
appliance has a fault.
0020085231_02 - 05/10 - Glow-worm
Supplied By www.heating spares.co Tel. 0161 620 6677
for more than 3
13.2.4 Test modes
By activating these various test modes, you can enable special
functions on the appliance.
• Press the on/off button to switch off the appliance.
• While keeping the button
seconds, press the on/off button.
The screen displays the first test mode "P01" and "Off".
• Press button
or under the symbol
mode that you wish to launch.
• Test mode "P.01" :
- Press button to display the burner forcing setting. The
screen displays "P.01" and "0".
- Press on button or under the symbol
value of the setting from "0" (0%) to "100" (100%).
- Press on button for 1 second to exit the submenu or
for more than 7 seconds to access the configuration menu.
• Test mode "P.02" to "P.07" :
- Press to launch the test mode. The screen displays
"P.0X" and "On".
- The test mode will be automatically stop after 15 minutes.
• When you have finished, press the reset button
On/Off button to exit the test modes.
Code Parameter Description
The appliance functions at a power
Forcing the
adjustable from "0" (0% = Pmin.) to "100"
adjustable-
(100% = Pmax.) by using buttons
P.01
power burner
under the symbol
when heating
ignition.
Forcing the
burner to The appliance functions at ignition power
P.02
heating ignition after successful ignition.
power
Forcing the
The appliance functions at its maximum
P.03 burner to
power after successful ignition.
Heating Pmax.
The 3 way valve is in the central position,
Filling the
P.05 the pump and the burner stop so that the
appliance
appliance can be filled.
The function is activated for a period of 5
Venting the
P.06 minutes on the heating circuit.
installation
Make sure that the air vent is open.
The function is activated for a period of 5
Venting the
P.07 minutes on the short circuit.
appliance
Make sure that the air vent is open.
INSTALLATION
pressed for more than 5
to choose the test
to modify the
or the
or
after successful
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