62
EN
PREXTHERM RSW 92N ÷ 600N
cod. 3541P120 - Rev. 00 - 02/2018
8.7 Troubleshooting
The following is a list of the main faults and problems that may occur during boiler operation, specifying possible causes and solutions.
FAULT
THE BOILER IS EASILY SOILED
CAUSE:
Burner poorly adjusted
SOLUTION: Check the burner adjustment (flue gas analysis)
Flue blocked
Clean the flue gas path and the flue
Burner air intake path dirty
Clean the burner air intake
THE BOILER DOES NOT REACH THE SET TEMPERATURE
CAUSE:
Boiler body dirty
SOLUTION: Clean the flue gas path
Boiler/burner combination
Check the data and adjustments
Burner flow-rate insufficient
Check the burner adjustment
Control thermostat
Check correct operation
Check the set temperature
BOILER THERMAL SAFETY SHUTDOWN WITH INDICATOR LIGHT ON THE CONTROL PANEL
CAUSE:
Control thermostat
SOLUTION: Check correct operation
Check the set temperature
Check the electrical wiring
Check the probe bulbs
Lack of water
Check the circuit pressure
Air present
Check the vent valve
THE BOILER REACHES THE SET TEMPERATURE, BUT THE CENTRAL HEATING SYSTEM IS COLD
CAUSE:
Air present in the system
SOLUTION: Vent the system
Pump fault
Reset the pump
Minimum thermostat (if featured)
Check the set temperature
ODOR OF UNBURNED SUBSTANCES
CAUSE:
Flue gas leaking into the environment
SOLUTION: Check that the boiler body is clean
Check that the flue is clean
Check the tightness of the boiler and flue
FREQUENT ACTIVATION OF THE SAFETY VALVE
CAUSE:
System circuit pressure
SOLUTION: Check the fill pressure
Check the system circuit
Check the calibration
Check the set temperature
System expansion vessel
Check
Summary of Contents for PREXTHERM RSW 92N
Page 2: ......
Page 92: ...92 RU PREXTHERM RSW 92N 600N cod 3541P120 Rev 00 02 2018 3...
Page 100: ...100 RU PREXTHERM RSW 92N 600N cod 3541P120 Rev 00 02 2018 7 2 160 7 3 8 O C BAH E 8 1 8 2 8 3...
Page 101: ...101 RU PREXTHERM RSW 92N 600N cod 3541P120 Rev 00 02 2018 8 4 13 1 2 3 4 5 6 8 5 1 30 2 3 8 6...
Page 102: ...102 RU PREXTHERM RSW 92N 600N cod 3541P120 Rev 00 02 2018 8 7...
Page 106: ...106 IT PREXTHERM RSW 92N 600N cod 3541P120 Rev 00 02 2018 Fig 13...
Page 107: ......
Page 108: ...FERROLI S p A Via Ritonda 78 a 37047 San Bonifacio Verona ITALY www ferroli com...