Worcester CDi Combi N.G Service Booklet page 26

BOILER SERVICE FUNCTIONS CDI, HIGHFLOW CDI & FS CDI REGULAR
The next time the heating or hot water system calls for
heat, the appliance is held at minimum output for
15 minutes. The syphon filling programme remains
active until the appliance has completed 15 minutes of
operation at minimum output.
The 2-digit display alternates between
flow temperature.
5.B FAN OVER-RUN TIME
Set the time of fan over-run after a boiler demand.
6.A LAST FAULT
The last fault can also be recalled for servicing purposes
when the appliance is functioning correctly.
6.D ACTUAL FLOW RATE TURBINE (COMBI ONLY)
The actual flow rate of the turbine is displayed.
6.E PROGRAMMER INPUT
Shows the status of channel 1 of the timer DT10/20.
Left digit is "Heat demand", heating mode will be
activated according to the programmer commands.
Shows the status of channel 2 of the timer DT20.
Right digit is "DHW demand", hot water mode will be
activated according to the programmer commands.
6.3.2 SECOND SERVICE LEVEL
8.A SOFTWARE VERSION
The version number of the software is displayed.
8.B CODE PLUG
The 4-digit part number of the code plug (digits 7 to 10
of order number) is indicated.
The code plug determines the appliance functions. If the
appliance is converted from natural gas to LPG or vice
versa (using conversion kit) the code plug also has to be
changed.
8.C GFA STATUS
(not applicable)
8.D GFA ERROR
(not applicable)
8.E RESET ALL PARAMETERS
Set all parameters to factory setting. See also
section 3.6.
26
Supplied By www.heating spares.co Tel. 0161 620 6677
8.F PERMANENT IGNITION
This function allows permanent ignition without gas
supply to be activated for the purposes of checking the
ignition mechanism.
and the CH
9.A OPERATION MODE PERMANENT
Set a fixed operation mode even when boiler has been
switched off.
9.B ACTUAL FAN SPEED
The current fan speed is displayed in Hertz (Hz).
9.C ACTUAL HEAT OUTPUT
The actual heat output of the appliance at the time
viewed is displayed.
Do not run for more than 2 minutes!
8 716 115 748 (2009/09)