Riello 40 GS10 Installation, Use And Maintenance Instructions page 15

Signal Problem
The burner switches
on, but then stops in
4 blinks
lockout

Lockout when burner
stops
The burner goes into
lockout immediately
7 blinks
following the appear-

ance of the flame

Burner goes into lock-
out during operation
The burner does not
switch on, and the
10 blinks
lockout appears


The burner goes into
lockout
Possible cause
Flame simulation
Permanent flame in the combustion
head or flame simulation
The operation solenoid lets little
gas through
Ionisation probe incorrectly adjusted
Insufficient ionisation (less than 5 µA)
Earth probe
Burner poorly grounded
Phase and neutral connections inverted
Defective flame detection circuit
Probe or ionisation cable grounded
Incorrect electrical wiring
Defective control box
Presence of electromagnetic disturban-
ces in the thermostat lines
13 GB
Recommended remedy
Replace the control box
Eliminate persistence of flame
or replace control box
Increase
Adjust
Check probe position
Withdraw or replace cable
Check grounding
Invert them
Replace the control box
Replace worn parts
Check
Replace
Filter or eliminate
20008491