Burner Operation Check; Troubleshooting - Ferroli 0RGZ3AXA Installation, Use & Maintenance Manual

TP3 COND

10.6 Burner operation check

- See the burner instruction manual.
- Follow all the requirements of local regulations regarding burner maintenance.

10.7 Troubleshooting

The following boiler troubleshooting guide gives the main faults or failures that may occur, with possible causes and cures.
FAULT
THE GENERATOR GETS DIRTY EASILY
CAUSE: Burner incorrectly adjusted
Flue obstructed
Dirty burner air path
THE GENERATOR DOES NOT HEAT
CAUSE: Dirty generator body
Burner/generator combination
Insufficient burner capacity
Control thermostat
THE GENERATOR GOES INTO THERMAL SAFETY SHUTDOWN STATUS WITH CONTROL PANEL WARNING LIGHT ON
CAUSE: Control thermostat
Lack of water
Presence of air
THE GENERATOR IS WORKING BUT THE HEATING SYSTEM IS COLD
CAUSE: Air in the system
Circulating pump fault
Minimum thermostat (if present)
SMELL OF UNBURNT PRODUCTS
CAUSE: Smoke in the room
FREQUENT SAFETY VALVE INTERVENTION
CAUSE: System circuit pressure
System expansion vessel
CURE: Check burner adjustment (fume analysis)
Clean the flueways and flue
Clean the burner air volute
Clean
Use a suitable burner
Restore the capacity
Check correct positioning of the capillary or replace the thermostat
CURE: Check proper operation
Check the set temperature
Check the electrical wiring
Check bulbs and probes
Check the circuit. pressure
Check the vent valve
CURE: Vent the system
Free the circulating pump
Check the set temperature
CURE: Check generator body cleanness
Check fume duct cleanness
Check the tightness of generator, fume duct and flue
CURE: Check the load pressure
Check the system circuit
Check the calibration
Check the set temperature
Check
cod. - Rev. 00 - 08/2017
EN
79