Gas Operation - Riello RLS 1000/M C13 Installation, Use And Maintenance Instructions

8.2

Gas operation

Symbol
Problem
(1)
The burner does not start
The burner does not
switch on, and the lock-
out appears
The burner starts up but
stops at the damper
maximum opening
The burner starts and
P
then goes into lock-out
The burner turns on and
then remains in lockout
mode
The burner remains in
the pre-purge phase.
Faults - Possible causes - Solutions
Possible cause
No electrical power supply
A limit or safety thermostat/pressure switch
open
Control box lockout
Control box fuse interrupted
Incorrect electrical wiring
Defective control box
No gas supply
Mains gas pressure insufficient
Minimum gas pressure switch fails to close
Air pressure switch in operating position
The servomotor contact does not intervene
(closure cam 0°)
Flame simulation
Faulty motor remote control switch
Defective electrical motor
Motor lockout
The servomotor contact does not intervene
(maximum cam opening)
Air pressure switch inoperative due to insufficient air pressure:
Air pressure switch adjusted badly
Pressure switch pressure point pipe blocked
Poorly adjusted head
Dirty fan
High depression in the furnace
Failure to the flame detection circuit
The servomotor contact does not intervene
(cam minimum)
43 GB
Recommended remedy
Close all switches and check connections
Adjust or replace
Release the control box
Replace it
(2)
Check
Replace
Open the manual valves between meter
and train
Contact your GAS COMPANY
Adjust or replace
Adjust or replace
Adjust the closure cam 0°
or replace the servomotor
Replace the control box
Replace
Replace
Release the thermal relay
Cam adjustment (maximum opening)
or replace the servomotor
Adjust or replace
Clean
Adjust
Clean
Contact our Technical Department
Replace the control box
Cam adjustment (minimum)
or replace the servomotor
20040160