Faults - Possible Causes - Solutions; Light Oil Operation - Riello RLS 1000/M C13 Installation, Use And Maintenance Instructions

8

Faults - Possible causes - Solutions

Find a list of faults, causes and possible solutions for a set of fail-
ures that may occur and result in irregular burner operation or no
functioning at all.
If a burner malfunction is detected, first of all:
8.1

Light oil operation

Symbol
Problem
(1)
The burner does not start
The burner does not
switch on, and the lock-
out appears
The burner starts but
stops at maximum air
damper setting
The burner switches on,
P
but then stops in lockout
The burner switches on,
but then stops in lockout
The burner remains in
pre-purging phase
20040160
Faults - Possible causes - Solutions
Possible cause
Limiter or safety control device open
Control box lockout
Fan motor lockout
Intervention of maximum oil pressure switch
No electrical power supply
No light oil
Control box fuse interrupted
Pump is jammed
Faulty motor remote control switch
Defective control box
Faulty electrical motor
The pilot burner does not work
Defective safety solenoid valve
Faulty oil modulator
Flame simulation
Photocell short-circuit
Two-phase electrical supply, thermal relay
steps in
Contact 1 of the servomotor terminals 9-8 con-
trol box does not intervene
Air pressure switch incorrectly adjusted.
Pressure switch pressure point pipe blocked
Failure to the flame detection circuit
Contact III of the servomotor terminals 10-8
control box does not intervene
40 GB
• check that the electrical wiring is adequately connected;
• check whether fuel is delivered;
• check that every adjustment parameter is adequately set.
Recommended remedy
Adjust or replace
Release
Release the thermal relay
Adjust the pressure switch or eliminate
overpressure
Close all switches - check connections
Check the light oil supply circuit
Replace
Replace
Replace
Replace
Replace
Check
Replace
Recondition or replace it
Replace the control box
Replace photocell
Reset the thermal relay at return of the
three phases
Adjust cam I or replace servomotor
Adjust it
Clean
Replace control box
Adjust cam III or replace servomotor