Error Memory; Error Read Outs; Deleting Errors - REMEHA Avanta 24c Installation And Service Manual

Remeha Avanta Plus
R
fig. 65

Error read outs

LT.AL.W7H.000.064
127768-271011
LTALW7H000064b
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 ( and a number xx).
e
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 ente-
red.
4.4.1 Error read outs
• Press the [enter]-key and keep it pressed;
• Press the [reset]-key until codes c and 0 appear alterna-
tely in the display;
• Enter the special access code 88 with the [+] or [-]- key;
• Press the [enter]-key; the display shows er and the num-
ber 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 with error number e.g. 12
e
- Then status code 5t with status number e.g. 3 (bur-
ning for central heating)
- Then number of time that the error has occurred M and a
number e.g. 3
- T hen the flow temperature when the error occurred t1
and temperature e.g. 75
- F inal 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;
er 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.

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. Errors
55