Faults - Possible Causes - Solutions - Riello RL 800/M TC FS2 Instrucciones De Uso

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Faults - Possible causes - Solutions

Find a list of faults, causes and possible solutions for a set of failures that may occur and result in irregular burner operation or no
functioning at all.
If a burner malfunction is detected, first of all:
• check that the electrical wiring is adequately connected;
• check whether fuel is delivered;
• check that every adjustment parameter is adequately set.
LIGHT OIL OPERATION
SYMBOL
FAULT
(1)
The burner does not start
The burner does not start and
a function lock-out occurs
The burner starts but stops at
maximum air damper setting
The burner starts and then
P
goes into lock-out
The burner starts and then
goes into lock-out
The burner remains in pre-
purging phase
20034064
Faults - Possible causes - Solutions
PROBABLE CAUSE
A limit or safety control device is open
Control box lock-out
Fan motor blocked
Oil pressure switch intervenes
No electrical power supply
No light oil
Control box fuse blown
Pump is jammed
Defective motor command control device
Defective control box
Defective electrical motor
The pilot burner does not work
Defective safety solenoid valve
Defective oil modulator
Flame simulation
Photocell short-circuit
2-phase power supply thermal relay trips
Contact 1 of servomotor does not operate control
box terminals 9-8
Air pressure switch adjusted badly
Pressure switch pressure point pipe blocked
Fault in flame detection circuit
Contact III of servomotor does not operate con-
trol box terminals 10-8
30 GB
SUGGESTED REMEDY
Adjust or replace
Reset
Reset thermal cut-out
Adjust pressure switch or eliminate
overpressure
Close all switches - Check connec-
tions
Check the light oil supply circuit
Replace
Replace
Replace
Replace
Replace
Check
Replace
Recondition or replace
Replace control box
Replace photocell
Reset thermal cut-out when third
phase is re-connected
Adjust cam I or replace servo-mo-
tor
Adjust
Clean
Replace control box
Adjust cam III or replace servo-
motor