REMEHA Avanta Plus 24s, Installation And Service Manual

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• Press the [enter] -key and keep it pressed;
• Press the [reset] -key until codes c and 0 appear alter-
nately in the display;
• Enter the special access code 88 with the [+] or [-]- key;
• Press the [enter] -key; the display shows ér and the
number of the last error alternately, for
example 02 .
•
Press the [+] or [-]- key to go forwards or backwards in the
list of errors.
•
Press the [enter] -key to take a closer look ot the error. The
display shows the error code as follows;
- first error code é with error number e.g. 12
- then status code 5t with status number e.g. 3 (burning
for central heating)
- then number of time that the error has occurred
ñ
and a
number e.g. 3
- then the flow temperature when the error occurred t1
and temperature e.g. 75
- final the return temperature when the error occurred t2
and temperature e.g. 60
This cycle continues to repeat itself.
•
Press the [reset] -key to stop the cycle; the following
appears in the display;
ér and the last viewed errors e.g the numbers 1 and 8 .
•
Press the [+] or [-]- key to look at the following error data.
4.4.2 Deleting errors
The last message in the list, Er followed by cl will
appear in the display;
•
Press the [enter] -key again, and the following will appear in
the display: 0
• Press the [+] -key to set the parameter to 1 .
• Press the [enter] -key, to delete the error memory:
• Press the [escape] -key twice to exit the error memory.
o
When tracing an error, the cause can often be found more
quickly if the operating status at the time the error occurred
can be retrieved from the error memory.
4.4 Error memory
The Remeha Avanta Plus control unit has an error memory,
in which the last 16 errors are stored. In addition to the error
code (
é and a number xx ).
The following data is also stored:
• the number of times the error occurred ( n and a number
xx )
•
the operating status of the boiler ( 5t and a number xx )
•
the flow temperature ( t1 and the value xx ) return tem-
perature ( t2 and the value xx ) at the time the error
occurred.
To get access to the error memory, access code must be
entered.
4.4.1 Error read outs
LT.AL.W7H.000.064