Riello C9514300, Installation, Use And Maintenance Instructions

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2916050
36 GB
Faults - Probable causes - Solutions
Symbol
(1)
Fault Probable cause Suggested remedy
The burner does not start A limit or safety control device is open Adjust or replace
Control box lock-out Reset control box
Oil pressure switch tripped
Adjust pressure switch or eliminate
pressure
Motor protection tripped Reset thermal cut-out
No electrical power supply Close all switches - Check connections
Flame safeguard fuse blown Replace
Contact II of servomotor does not operate,
flame safeguard terminals 11 - 8
Adjust cam II or replace servomotor
Pump is jammed Replace
Defective motor command control device Replace
Defective Flame safeguard Replace
Defective electrical motor Replace
The burner does not start and a
function lock-out occurs Flame simulation Replace control box
Photocell short-circuit Replace photocell
Missing phase thermal cut-out trips
Reset thermal cut-out when third phase is
re-connected
The burner starts but stops at
maximum air damper setting Contact I of servomotor does not operate,
flame safeguard terminals 9-8
Adjust cam I or replace servomotor
The burner starts and then goes
into lock-out
Fault in flame detection circuit Replace flame safeguard
The burner remains in pre-
purging phase Contact III of servomotor does not operate,
flame safeguard terminals 10-8
Adjust cam III or replace servomotor
After pre-purge and the safety
time, the burner goes to lock-out
and the flame does not appear No fuel in tank; water on tank bottom Top up fuel level or suck up water
Inappropriate head and air damper
adjustments
Adjust
Light oil solenoid valves fail to open Check connections; replace coil
Nozzle clogged, dirty, or deformed Replace
Dirty or poorly adjusted firing electrodes Adjust or clean
Grounded electrode due to broken
insulation
Replace
High voltage cable defective or grounded Replace
High voltage cable deformed by high
temperature
Replace and protect
Ignition transformer defective Replace
Poor electrical connections of valves or
transformer
Check
Defective flame safeguard Replace
Pump unprimed Prime pump and see "Pump unprimes”
Pump/motor coupling broken Replace
Pump suction line connected to return line Correct connection
Valves up-line from pump closed
Open
Filters dirty: line - pump - nozzle Clean
Incorrect motor rotation direction Change motor electrical connections
The flame ignites normally but
the burner locks out when the
safety time has elapsed Defective flame sensor or flame safeguard Replace flame sensor or flame safeguard
Dirty flame sensor Clean
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