DE DIETRICH ELITEC DTG 130 Eco.Nox - Manual (Page 33)

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01/02/11 - 300002915-001-E DTG 130 Eco.NOx
7.3 Troubleshooting
7.3.1 Error messages
Z
Control panel instructions
7.3.2 Incidents and solutions
Symptoms Probable causes Solution
The heater does not start and the safety
box is not affected (red alarm indicator
off)
The heater thermostat is requiring
heat
Setting (option) is not requiring
heat
Create a demand by moving the heater thermostat or the setting level
(option)
The safety thermostat has been
triggered after overheating
Solve the cause of overheating and reset the safety thermostat
No current
Set the On/Off switch to 8
The burner does not ignite and the
safety box is not affected (red alarm
indicator off)
On safety because of a lack of
gas
Purge the gas supply pipe then reset the heater using the panel reset button
Gas valve defective Check the gas valve and replace if necessary
No spark from the electrode Check the electric cable connection to the safety box and the electrode
No ionization current
Check the ionization probe and earth wire connection
Check the position of the ionization probe and the flame diffuser in the
ignition burner
The burner ignites and the safety box
goes into standby (burner cut and the
alarm indicator flashes)
downdraught thermostat cut.
Check for adequate draw on the chimney connection. Reset the safety
control box.
Check that the downdraught thermostat is in good working order. Reset the
safety control box.

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.
The burner ignites and the safety box is
affected (alarm indicator on)
Inversion of the phase and
neutral wires on the heater's
control panel.
Connect the phase to terminal 1 and neutral to 2.
The burner ignites but with reduced
power
Upstream pressure too weak Check gas supply
Dirty filter Clean the filter
Gas valve unit defective Replace the gas valve unit
Gas valve defective Check gas valve and replace if necessary
Unsuitable injectors Check injectors
Dirty cast iron body (hearth)
Upstream pressure too high Check gas supply
Dirty burner Clean the burner
Insufficient or incorrectly placed
air supply
Enlarge air supply, smoothen airation holes
Gas valve defective Check gas valve and replace if necessary
Noisy heater
Poor purge Purge correctly
Body has scale Descale the heating circuit
Unsuitable injectors (Whistling) Check injectors