Fault, Service And Special Operations Alarms, History And Maintainance Information - andrews COMBIflo 100/300 Manual

Menu: Fault, Service/special operation
When a fault is pending, an error
message can be displayed on the info
level by pressing the Info button. The
display describes the cause of the fault.
Message
A fault currently pending in the system
is displayed here with the Albatros code
indicating where the fault occurred.
SW Diagnostic code
An internal software error currently
pending in the system is displayed here
with diagnostic code indicating where
the error occurred.
Temperature alarms
This function can be used for maintai-
ning the required flow temperature.
If the flow temperature deviates
constantly from the required level for
more than the period of time set, an
error message will be delivered.
History
The basic unit stores the last 20 errors
in nonvolatile memory. Every new entry
cancels the entry made last. For every
error entry, error code, time, internal
SW diagnostic code and fault phase of
the burner control are stored.
Maintenance functions
Burner hours interval / Burner start
interval/ Maintenance interval
As soon as the set number of burner
hours or burner starts or maintenance
interval has elapsed, a maintenance
message is displayed. For this messa-
ge, the number of operating hours and
starts of the first burner stage (input E1)
are counted.
Burn hrs since maintenance
Burn starts since maint
Time since maintenance
The current value is added up and
displayed. On this operating line, the
value can be reset to 0.
Andrews COMBIfl o
Line no. Operating line
6700 Message
6705 SW Diagnostic code
6706 Burner ctrl phase lockout pos
6710 Reset Alarm relay
Burner ctrl phase lockout pos
A fault currently pending in the system
is displayed here with the lockout
phase indicating where the fault oc-
curred.
Line no. Operating line
6740 Flow temp 1 Alarm
6741 Flow temp 2 Alarm
6742 Flow temp 3 Alarm
6743 Boiler temp Alarm
6745 DHW charging Alarm
Line no.
6800...6996 History ...
Line no. Operating line
7040 Burner hours interval
7041 Burn hrs since maintenance
7042 Burner start interval
7043 Burn starts since maint
7044 Maintenance interval
7045 Time since maintenance
7050 Fan speed ionization current
7051 Message ionization current
No
Yes
Fan speed ionization current
This is the fan speed limit from which
the burner ionization current mainte-
nance message should be set if – due
to too low ionization current – ionization
current supervision and thus increased
speed are activated.
41
Reset alarm relay
When a fault is pending, an alarm can
be triggered via relay QX... The QX...
relay must be appropriately configured.
This setting can be used to reset the
alarm relay.
Operating line
Message ionization current
Flag to indicate and to reset the burner
ionization current maintenance mes-
sage.
The maintenance message can be re-
set only if the cause of the message
has been rectified.
Factory setting
-
-
-
No
Factory setting
-
-
-
-
-
Factory setting
Indication only
Factory setting
- - -
Indication only
- - -
Indication only
- - -
Indication only
0
No
Controls programming guide