11 Troubleshooting; Error Codes; Warning Codes - DeDietrich AMC 15 Installation And Service Manual

11 Troubleshooting

11.1

Error codes

Tab.79 Error codes
Code type
Error icon
Blue Code Axx.xx
Yellow CodeHxx.xx
Red CodeExx.xx
Tab.80 Control unit warning codes
Code Text display
A00.34 TOutside Missing
A00.42 WaterPressureMissing
7686707 - v.01 - 06092018
When an error occurs in the installation, the control panel displays a
message and a corresponding code. The status LED of the control panel
will show a flashing and/or red signal.
Error type
Warning
Blocking
Locking
1. Select the error tile to view a description of the error.
2. Turn the boiler off an on again.
The boiler starts up again only when the cause of the error has
been rectified.
3. If the error code reappears, correct the problem by following the
instructions in the error code tables.
The error code remains visible until the problem is solved.
4. Note the error code when the problem cannot be solved.
Important
The error code is needed to find the cause of the fault quickly and
correctly and for any support from De Dietrich.
11.1.1

Warning codes

If it is anticipated that a situation may develop into a fault, the boiler will
first give a warning for some malfunctions. The warning code is shown on
the display.
Important
The boiler continues to operate but the cause of the warning must
be investigated. A warning can result in the boiler becoming
blocked or locked out.
Description
Outside temperature sensor was
expected but not detected
Water pressure sensor was
expected but not detected
Description
A warning is displayed if an error may occur. The boiler con­
tinues to operate but the cause of the warning must be inves­
tigated. A warning can change into a blocking or lock-out.
Blocking is occurs as a result of an error. The boiler starts up
again automatically only when the cause of the blocking has
been rectified. A blocking can change into a lock-out.
A lock-out occurs as a result of an error.
Recommendation
Outside sensor not detected:
Outside sensor is not connected: Connect the
sensor
Outside sensor is not connected correctly: Con­
nect the sensor correctly
Water pressure sensor not detected
Water pressure sensor is not connected: con­
nect the sensor
Water pressure sensor is not connected cor­
rectly: connect the sensor correctly
11 Troubleshooting
AMC 113