Incidents And Solutions - DeDietrich Elitec DTG 1304 Eco.NOx/V Technical Instructions

Symptoms
The heater does not start - The
and the safety box is not
affected (red alarm
- Setting (option) is not requiring
indicator off)
- The safety thermostat has been
- No current
The burner does not - On safety because of a lack of
ignite and the safety box
is not affected (red alarm
- Faulty gas valve
indicator off)
- No spark from the electrode
- No ionisation current
- Blocked filter or ignition burner
The burner ignites and - Anti-blowback thermostat cut
the safety box goes into
standby (burner cut and
the alarm indicator
flashes)
The burner ignites and - Inversion of the phase and
the safety box is affected
(alarm indicator on)
The burner ignites but - Upstream pressure too weak
with reduced power
- Dirty filter
- Unsuitable injectors (See Table
- Faulty gas valve
- Injectors too small
Dirty cast iron body - Upstream pressure too high
(hearth)
- Dirty burner
- Insufficient or poorly placed air
- Faulty gas valve
Noisy heater - Poor purge
- Body has scale
- Unsuitable injectors (Whistling)
23/06/05 - 300002940-001B

Incidents and solutions

Probable causes
heater thermostat
requiring heat
heat.
triggered after overheating.
gas
injector
neutral wires on the heater's
command panel
"Pressure setting and marking of
calibrated injectors")
supply
is - Create a demand by moving the heater thermostat or the setting level
(option).
- Solve the cause of overheating and reset the safety thermostat.
- Place the Stop/Start switch on "On"
- Purge the gas supply pipe then reset the heater using the panel reset
button
- Check the gas valve and replace if necessary.
- Check the electric cable connection to the safety box and the electrode
- Check the ionisation probe and earth wire connection.
- Check the position of the ionisation probe and the flame diffuser in the
ignition burner
- Clean the filter and the ignition burner injector
- Check the draught in the chimney connection, check the condition of the
anti-blowback thermostat, then press the Start/Stop button to cancel the 15
timer and restart the heater
- Please note the seriousness of unplanned intervention on the combustion
product evacuation checking device : evacuation faults must be solved by
improving the draught in the chimney.
- In the event of a thermostat fault, it must be replaced by a part stated on
our "Spare parts list". Its position must not be modified, which is defined by
the 2 bosses on the holding bracket which are located in the 2 holes on the
draught diverter. The thermostat must not be placed out of service.
- Connect the phase to terminal 1 and neutral to 2.
- Check gas supply
- Clean the filter
- Check them
- Check gas valve and replace if necessary
- Check them (See Table "Pressure setting and marking of calibrated
injectors")
- Revoir l'alimentation en gaz
- Clean the burner
- Enlarge air supply, smoothen airation holes
- Check gas valve and replace if necessary
- Purger correctement
- Détartrer le circuit chauffage
- Check injectors
- Burner clogged by building dust
DTG 1300 Eco.NOx/V
Solution
27