Download REMEHA 24v Technical data

6.4.9 Service code
Only for the heating contractor.
To avoid incorrect settings several operation levels have
protection codes. For service purposes you can program
code C 1 2 .
- Press the 'mode'- and 'step'-keys simultaneously and
the 'code'-display now shows C .
- Holding both keys pressed, set the temperature display to 1 2 , using the '▲'- and '▼'-keys.
6.4.8 Failure mode (blinking 'code' display)
Only for the heating contractor.
Malfunctions of the boiler control occurring during operation are shown on the read-out displays (see failure
table in chapter 11). The latest failure is stored in the microprocessor memory and can be read at service level,
code C 1 2 (see para. 6.4.9).
- Press the 'mode'-key until the digit 1 (blinking)
appears in the 'code'-display.
- Press the 'step'-key for the required code.
Code
Description
1
2
37
03
3
4
5
6
5
4
6
1
3
0
0
0
Display of failure code (chapter 11)
Operating mode during failure
(para. 6.4.2)
Flow temperature during failure
Return temperature during failure
D.H.W. temperature during failure
Outdoor temperature during failure
⇑
⇑
⇑ ⇑
- Keep both keys pressed and press the 'store'-key.
The temperature display is blinking to acknowledge
your access to the service setting.
Example:
The return temperature sensor has failed during central
heating operation at a flow temperature of 53°C, a return
temperature of 40°C, a D.H.W. temperature of 60°C and
an outdoor temperature of 10°C.
⇑
⇑ ⇑
- Press the 'store'-key to store the service code (the
temperature display will blink twice for acknowledgement).
- Release the 'mode' and 'step' keys.
You are in the service mode and are able to change settings and to read out values.
After using the service code you have to delete the service code by pressing the 'reset'-key once or after 10
minutes when no further alterations have been made the
service code will delete automatically.
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