A.O. Smith 28 30 50 60, Installation & Service Manual

Page: 66 / 96

Service program
66 Instruction Manual BFC
9
is
Figure 9.3 shows an example of ‘Blocking errors’. In this case, the text
HISTORIE OF ERRORS
is followed by
(B)
.
Figure 9.4 shows an example of the ‘Lock out errors’. In this case, the text
HISTORIE OF ERRORS
is followed by
(L)
.
n
Remark
For an overview of all errors and the possible causes, please refer to chapter
’10 Troubleshooting’ .
9.4 Displaying the
appliance history
The appliance history sub-menu is used to display the burning hours, the
number of ignitions, the number of flame errors, and the number of ignition
errors.
Bring up the menu for displaying the appliance history via:
•
S
:
APPLIANCE HISTORY
Figure 9.5 shows an example.
9.5 Display the selected
appliance
Bring up the menu for displaying the appliance selection via:
•
S
:
SELECT APPLIANCE
The appliance selection has been correctly preset in the factory.
Figure 9.6 shows the relevant display.
9.6 Setting the pump
on/off
If a program-controlled pump is installed (Installation, see paragraph 3.10.6 )
then this can be turned ON or OFF via:
•
S
:
PUMP RELAY
The standard setting for the pump relay is OFF.
Figure 9.7 shows the related display.
If the mode
WEEK PROGRAM
or
EXTRA PERIOD
is active, then the setting for
mode
WEEK PROGRAM
or
EXTRA PERIOD
has priority over the ON/OFF
selection for the pump relay in the service menu.
Example
One of the week program periods is currently active. The pump relay setting is
OFF within this period. If the pump relay is set ON in the service menu, the pump
will nonetheless remain OFF. The pump will only switch ON once the week
program period has ended.
9.7 Setting the service
interval
To aid servicing, the ThermoControl has a service interval which defines the
frequency of maintenance by the service and maintenance engineer based on
the number of burning hours. Refer also to paragraph
11.2 .
HISTORIE OF ERRORS(B)
S04 SENSOR ERROR
F06 IONIZATION
È CO2 50 HZ ERROR
Figure 9.3 Blocking errors
HISTORIE OF ERRORS(L)
F02: FAN
F07: FLAME ERROR
È ...
Figure 9.4 Lock out errors
APPLIANCE HISTORY
BURNINGHOURS 000410
^IGNITIONS 001000
ÈFLAME ERRORS 000021
IGNIT ERROR 000013
Figure 9.5 service program
SELECT APPLIANCE
»ADM 40 - 135
^ ADMR 40 - 135
È BFC 28
BFC 30
BFC 50
BFC 60
BFC 80
BFC 100
Figure 9.6 Select appliance
PUMP RELAY
»ON
OFF
Figure 9.7 Pump relay