Faults - Possible Causes - Solutions - Riello RL 190 Instrucciones De Instalación, Uso Y Mantenimiento

10

Faults - Possible causes - Solutions

In the event the burner stops, in order to prevent
any damage to the installation, do not unblock the
burner more than twice in a row. If the burner
locks out for a third time, contact the customer
WARNING
service.
SIGNAL FAULT
No blink The burner does not start 1
2 led blinks After pre-purge and the
safety time, the burner
goes to lock-out and the
flame does not appear
4 led blinks The burner starts and
then goes into lock-out
7 led blinks Flame detachment
The burner does not
pass to 2nd stage
Fuel passes to 2nd stage
but air remains in 1st
Burner stops at transi-
tion between 1st and 2nd
stage or vice versa.
Burner repeats starting
cycle
Uneven fuel supply
6080
Faults - Possible causes - Solutions
PROBABLE CAUSE
- No electrical power supply . . . . . . . . . . . . . . . . . . . . . . .
2 - Limit control device TL is open. . . . . . . . . . . . . . . . . . . .
3 - Safety control device TS is open . . . . . . . . . . . . . . . . . .
4 - Control box lock-out . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5 - Pump is jammed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6 - Erroneous electrical connections . . . . . . . . . . . . . . . . . .
7 - Defective control box . . . . . . . . . . . . . . . . . . . . . . . . . . .
8 - Defective electrical motor . . . . . . . . . . . . . . . . . . . . . . . .
9 - No fuel in tank; water on tank bottom. . . . . . . . . . . . . . .
10 - Inappropriate head and air gate valve adjustments . . . .
11 - Light oil solenoid valves fail to open (1st stage or safety) Check connections; replace coil
12 - 1st stage nozzle clogged, dirty, or deformed . . . . . . . . .
13 - Dirty or poorly adjusted firing electrodes . . . . . . . . . . . .
14 - Grounded electrode due to broken insulation . . . . . . . .
15 - High voltage cable defective or grounded . . . . . . . . . . .
16 - High voltage cable deformed by high temperature . . . .
17 - Ignition transformer defective . . . . . . . . . . . . . . . . . . . . .
18 - Erroneous valves or transformer electrical connections
19 - Defective control box . . . . . . . . . . . . . . . . . . . . . . . . . . .
20 - Pump unprimed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
21 - Pump/motor coupling broken . . . . . . . . . . . . . . . . . . . . .
22 - Pump suction line connected to return line . . . . . . . . . .
23 - Valves up-line from pump closed . . . . . . . . . . . . . . . . . .
24 - Filters dirty: line - pump - nozzle . . . . . . . . . . . . . . . . . .
25 - Defective photoresistor or control box . . . . . . . . . . . . . .
26 - Photoresistor dirty . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
27 - 1st stage operation of cylinder is faulty . . . . . . . . . . . . .
28 - Motor protection tripped . . . . . . . . . . . . . . . . . . . . . . . . .
29 - Defective motor command control device . . . . . . . . . . .
30 - 2-phase power supply thermal relay trips . . . . . . . . . . .
31 - Incorrect motor rotation direction . . . . . . . . . . . . . . . . . .
32 - Photoresistor short-circuit . . . . . . . . . . . . . . . . . . . . . . .
33 - Light is entering or flame is simulated . . . . . . . . . . . . . .
34 - Poorly adjusted head . . . . . . . . . . . . . . . . . . . . . . . . . . .
35 - Poorly adjusted or dirty firing electrodes . . . . . . . . . . . .
36 - Poorly adjusted fan air gate: too much air . . . . . . . . . . .
37 - 1st nozzle is too big (pulsation) . . . . . . . . . . . . . . . . . . .
38 - 1st nozzle is too small (flame detachment) . . . . . . . . . .
39 - 1st nozzle dirty, or deformed . . . . . . . . . . . . . . . . . . . . .
40 - Inappropriate pump pressure . . . . . . . . . . . . . . . . . . . . .
41 - 1st stage nozzle unsuited to burner or boiler . . . . . . . . .
42 - Defective 1st stage nozzle . . . . . . . . . . . . . . . . . . . . . . .
43 - Control device TR does not close . . . . . . . . . . . . . . . . .
44 - Defective control box . . . . . . . . . . . . . . . . . . . . . . . . . . .
45 - 2nd stage sol. valve coil defective . . . . . . . . . . . . . . . . .
46 - Low pump pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . .
47 - 2nd stage operation of cylinder is faulty . . . . . . . . . . . . .
48 - Nozzle dirty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
49 - Photoresistor dirty . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
50 - Excess air. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
51 - Check if cause is in pump or in the fuel supply system .
24
GB
In the event there are further lockouts or faults
with the burner, the maintenance interventions
must only be carried out by qualified, authorised
personnel, in accordance with the contents of this
DANGER
manual and in compliance with the standards and
regulations of current laws.
SUGGESTED REMEDY
Close all switches - Check fuses
Adjust or replace
Adjust or replace
Reset control box (no sooner than 10 s after
the lock-out)
Replace
Check
Replace
Replace
Top up fuel level or suck up water
Adjust, see page 12 and page 18
Replace
Adjust or clean
Replace
Replace
Replace and protect
Replace
Check
Replace
Prime pump and see "Pump unprimes"
Replace
Correct connection
Open
Clean
Replace photoresistor or control box
Clean
Change cylinder
Reset thermal cut-out
Replace
Reset thermal cut-out when third phase is re-con-
nected
Change motor electrical connections
Replace photoresistor
Eliminate light or replace control box
Adjust, see page 12, Fig. 13
Adjust, see page 12, Fig. 9 or clean
Adjust
Reduce 1st nozzle delivery
Increase 1st nozzle delivery
Replace
Adjust to between 10 - 14 bar
See Nozzle Table, page 11 ; reduce 1st stage
Replace
Adjust or replace
Replace
Replace
Increase
Change cylinder
Replace
Clean
Reduce
Feed the burner from a tank located nearby