Maintenance; Faults / Solutions; Burner Starting Difficulties - Riello 40 GS10 Instrucciones Para La Instalación, Uso Y Mantenimiento

5

Maintenance

The burner requires periodic maintenance carried out by a qualified and authorised technician in conformity
with legislation and local standards.
Maintenance is essential for the reliability of the burner, avoiding the excessive consumption of fuel and con-
sequent pollution.
Before carrying out any cleaning or control always first switch off the electrical supply to the burn-
er acting on the main switch of the system.
THE BASIC CHECKS ARE:
Leave the burner working without interruption for 10 min., checking the right settings of all the components
stated in this manual. Then carry out a combustion check verifying:
CO ( %) content
2
6

Faults / Solutions

Here below you can find some causes and the possible solutions for some problems that could cause a fail-
ure to start or a bad working of the burner.
A fault usually makes the lock-out lamp light which is situated inside the reset button of the control box (9)
Fig. 1.
When lock out lamp lights the burner will attempt to light only after pushing the reset button.
After this if the burner functions correctly, the lock-out can be attributed to a temporary fault.
If however the lock out continues the cause must be determined and the solution found.
6.1

Burner starting difficulties

Signal Problem
Once the pre-purging
phase and safety time
have passed, the
2 blinks
burner goes into lock-
out without the
appearance of the
flame
Smoke temperature at the chimney
The operation solenoid lets little gas
through
One of the two solenoid valves does not
open
Gas pressure too low
Ignition electrode incorrectly adjusted
Electrode grounded due to broken
insulation
High voltage cable defective
High voltage cable deformed by high
temperature
Ignition transformer defective
Incorrect valve or transformer electrical
wiring
Defective control box
A closed valve upline the gas train
Air in pipework
Gas valves unconnected or with interrup-
ted coil
CO content (ppm).
Possible cause
11 GB
Recommended remedy
Increase
Replace
Increase pressure at governor
Adjust
Replace
Replace
Replace and protect
Replace
Check
Replace
Open
Bleed air
Check connections or replace
coil
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