20084880
46
GB
Faults - Possible causes - Solutions
(1)
The control box has a disc that turns during the start-up program, visible from the reset sight window.
When the burner does not start or stops, due to a failure, the symbol that appears on the sight window indicates the type of inter-
ruption.
(2)
The fuse is in the rear part of the control box. A spare fuse is also available: it can be extracted after breaking the panel tab that
houses it.
The burner continues to
repeat the start-up cycle,
without lockout
The gas pressure in the gas mains lies very
close to the value to which the minimum gas
pressure switch has been set.
The sudden drop in pressure after valve open-
ing causes temporary opening of the pressure
switch itself, the valve immediately closes and
the burner comes to a halt.
Pressure increases again, the pressure switch
closes again and the ignition cycle is repeated.
The sequence repeats endlessly.
Reduce the minimum gas pressure switch
intervention pressure.
Replace the gas filter cartridge
Lockout without symbol
indication
Flame simulation
Replace the control box
Burner goes into lockout
during operation
Faulty flame sensor
Replace worn parts
Air pressure switch faulty
Replace
Maximum gas pressure switch intervention
Adjust or replace
Lockout when the burner
stops
Permanent flame in the combustion head or
flame simulation
Eliminate permanency of flame
or replace the control box
Ignition with pulsations
Poorly adjusted head
Adjust
Ignition electrode incorrectly adjusted
Adjust it
Incorrectly adjusted fan air damper: too much
air
Adjust
Output during ionisation phase is too high
Reduce
GAS OPERATION
Symbol
(1)
Problem
Possible cause
Recommended remedy
Содержание RLS 310/M MX
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Страница 62: ...20084880 60 GB Appendix Electrical panel layout RLS 310 410 M MX 230 400V DSU ...
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