24
TROUBLESHOOTING INFORMATION
After the Access Code has been entered, pressing the
MODE button can access additional menu items. This
additional inforamtion can be useful for troubleshooting
the boiler. The display should follow the following
sequence:
Press MODE once-
STBY
Press MODE x2 -
PARA
Press MODE x3 -
INFO
Press MODE x4 -
FAN
Press MODE x5 -
CONN
Press MODE x6 -
ERRO
Press MODE x7 -
STBY
Etc......
The
FAN
menu will display the speed of the fan, which
indicates the units firing rate. The
CONN
menu is not
used. The
ERRO
menu will display the last error code
that occured and the conditions the boiler was in when it
occured.
Fan Speed
To display the speed of the fan, press the MODE button
until the display shows
FAN
. Press the STEP button to
display the fan RPM. The fan speed will vary between
1900 RPM (Low Fire) and 5300 RPM (High Fire)
depending on boiler load.
Last Error Code
If the user has pressed the RESET button and cleared
the last error code, accessing the
ERRO
menu can
retrieve it. To display the last error code, press the
MODE button until the display shows
ERRO
. Press the
STEP button to display the last error code and addition-
al information as follows:
Item 1 displays the Last Hard Lockout Code. Consult the
Prestige Installation & Maintenance Manual or
Troubleshooting Guide for Error Code descriptions.
Item 2 displays the mode the boiler was operating in
when the error occurred.
Item 3 displays the Supply Water Temperature of the
boiler when the error occurred.
Item 4 displays the Return Water Temperature of the
boiler when the error occurred.
Item 5 will indicate the presence of a domestic call if an
aquastat is used in the Indirect Water Heater. If
-22
is
displayed, a domestic call was not present when the
error occured. If
230
is displayed, a domestic call was
present when the error occurred. Item 5 displays the
actual Domestic Water Temperature of the Indirect
Water Heater if the optional IDWH sensor kit is installed.
Item 6 displays the Outdoor Temperature when the error
occurred.
Last Hard Lockout Error Code
Status Code of the boiler when the
error occurred.
Supply Water Temperature when
the error occurred.
Return Water Temperature when
the error occured.
1
2
3
4
STEP
STEP
STEP
STEP
Key:
Display
Description of parameters
Domestic Hot Water Temperature
when the error occurred.
6
STEP
Outdoor Temperature when the
error occurred.
5
STEP
Status Code
Description
0
Standby, No Boiler Demand
1
Fan Pre/Post Purge
2
Ignition
3
Burner on for CH Demand
4
Burner on for DHW Demand
5
Air Flow Check
6
Setpoint Reached, Burner Off
7
CH Post Pump
8
DHW Post Pump
9
Burner Blocked
Содержание Prestige Supplement - Type 5 MCBA
Страница 6: ...4 DOMESTIC HOT WATER DHW PARAMETERS...
Страница 14: ...12 CENTRAL HEATING CH PARAMETERS...
Страница 27: ...25 PARAMETER WORKSHEET...