Glow-worm Ultracom2 sxi - Fault Memory; Fault Codes

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MAINTENANCE
 
• Thismenuallowsyoutodisplaythe10mostrecentfailure
codesregisteredbytheappliance.
• Inordertodisplaythefaultcodememory,simultaneously
pressthebuttons
and underthesymbol formore
than7seconds.
• Thescreenwilldisplaytherstfault"01"(record)and"F.XX"
(faultcode).
• Todisplaytheotherfaultsregisteredbytheappliance,press
thebutton
or underthesymbol .
• Pressbutton
formorethan3secondstoexitthis
menu.
  
01 XX Consultthe“Faultcodes”chapter.
02 XX Consultthe“Faultcodes”chapter.
03 XX Consultthe“Faultcodes”chapter.
04 XX Consultthe“Faultcodes”chapter.
05 XX Consultthe“Faultcodes”chapter.
06 XX Consultthe“Faultcodes”chapter.
07 XX Consultthe“Faultcodes”chapter.
08 XX Consultthe“Faultcodes”chapter.
09 XX Consultthe“Faultcodes”chapter.
10 XX Consultthe“Faultcodes”chapter.
• Toerasethefaultmemoryregisteredbytheappliance,
consultthe“Installationadjustments”chapterandusecode
“d.94”.
 
i
The faults described in this chapter should be
carried out by a qualied engineer and if needed by
the After Sales Service.


  
F00 Flowheatingtemperaturesensorfault Sensoropencircuit
•Checkthesensor’sconnections.
•Checkthewiringharness.
•Checkthesensor.
F01 Returnheatingtemperaturesensorfault
Returnheatingtemperaturesensor
disconnected
F10 Flowheatingtemperaturesensorfault Sensorshort-circuit
F11 Returnheatingtemperaturesensorfault
Returnheatingtemperaturesensor
shorted.
F20 Overheatingfault
Overheatingsafetydeviceactivated
(97°C)
•Checktheoperationofthepump.
•Checkthewiringharness.
•Checkthattheowandreturnheatingisolation
valvesareopen.
F22 Waterpressureoftheinstallation(<0.3bar)
Returnwatervalveclosed
Pumpdisconnected
Leakintheinstallation
•Filltheinstallation.
•Purgetheinstallation.
•Checkthepumpconnections.
•Checktheowandreturnheatingsensor
connections.
•Checkthattherearenoleaks.
F23
Maximumtemperaturedifferencereached
betweenreturnandowheating
Watercirculationfault
•Checktheowandreturnheatingsensor
connection.
•Checkthepumpspeed.
F24 Watercirculationfault
Malfunctionofthepump(excessively
rapidtemperatureincrease)
•Checkthattheowandreturnheatingisolation
valvesareopen.