Service Notification; Troubleshooting; Temporary And Permanent Faults; Error Codes - De Dietrich INIDENS 24 Manual De Usuario

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Fig.21
Purging the installation
A
C
1
7.3

Service notification

When the boiler needs to be serviced, a request message appears on the display. Use the automatic assistance notification for
preventative maintenance to reduce interruptions to a minimum.
A service message must be followed up within 2 months. Therefore, call your installer as soon as possible.
8

Troubleshooting

8.1

Temporary and permanent faults

There are two types of notices displayed: temporary or permanent. The first notice shown on the display is a letter followed by a
two-digit number. The letter indicates the type of fault: Temporary (A or H) or permanent (E). The number indicates the group in
which the fault that has occurred is classified according to its impact on safe and reliable operation. The second notice consists
of a two-digit number that indicates the type of fault which has occurred (see the following fault tables).
TEMPORARY FAULT (A/H.x.x.)
A temporary fault is shown on the display by the letter "A" or "H" followed by a number (group). A temporary fault is a type of
fault that does not cause a permanent stoppage of the boiler. It has the following characteristics:
A: The appliance continues to operate. It disappears as soon as the cause has been resolved.
H: Disappears when the error condition is removed, in some cases even after 10 minutes.
PERMANENT FAULT (E.x.x)
A permanent fault is shown on the display by the letter "E" followed by a number (group). Press the RESET key for 1 second. If
faults are shown frequently, contact a qualified technician.
E: Stoppage, RESET required.
8.2

Error codes

Tab.50
List of temporary faults
DISPLAY
DESCRIPTION OF TEMPORARY FAULTS
Group
Specific
code
code
H.00
.42
Pressure sensor open/faulty
H.01
.00
Temporary communication failure in the PCB
7804840 - 02 - 20012022
B
C
D
BO-0000026
1. Open the valves A and B on all radiators connected to the heating
system.
2. Set the ambient thermostat to the highest possible temperature.
3. Wait until the radiators are warm.
4. Set the ambient thermostat to the lowest possible temperature.
5. Wait around ten minutes until the radiators have cooled down.
6. Vent the radiators. Start with the lower floors.
7. Open the air vent valve, (C) or (C1), placing a cloth (D) over the fitting.
8. Wait until water comes out of the air vent valve and then close the
valve.
9. Place a cloth over the air vent valve and open it.
Important
Take care as the water could still be hot.
Important
If the hydraulic pressure in the heating system is less than 0.8 bar,
it is recommended to restore the pressure (recommended system
hydraulic pressure between 1.0 and 1.5 bar).
CAUSE – Check/Solution
An installer is required for most checks and solu­
tions.
SENSOR/CONNECTION PROBLEM
Check the operation of the pressure sensor
Check the sensor/PCB connection
The error is resolved automatically
en
8 Troubleshooting
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