Atmos Variotherm plus - 7 Troubleshooting

18
7.0 Troubleshooting
Error in temperature display
"F0" Handleisnotinitssupport • Inserthandleinitssupporttoallowthermalprocessforreducing
bacterial count to start (jet connection must point to the back of
the unit.
• Replacehandle(Art.No.502.0963.0)
"F1" Nowater(waterpressure<0,5bar) • Check,whetherthewatersupplydeliversapressureofatleast
2bar(didyouopenthewater-tap?).
• Filterclogged?
"F2" -5 V is missing (supply voltage on the control
board)
• Inform the service staff.
"F3" Break of the safety NTC • Inform the service staff.
"F4" Safetyswitchingdoesnotreact(49°C
comparator)
• Havethesafetyswitching(temperaturecontroller)checkedbythe
service staff.
"F5" Break of the regulating NTC • Inform the service staff.
"F6" Differentswitchsettingsinthehandleholder • Handlemustbecorrectlyinsertedinitssupport.
• Otherwiseinformtheservicestaff.
"F7" Temperaturetoohigh(>48°C),displayonlyin
the stimulation and irrigation mode but not in
the thermal cleaning procedure
• Check,whethertemperaturesettingistoohigh.Ifnecessary,
adjustdesiredtemperaturetoavalueof<48°Cbymeansofthe
codingswitches.
• Inform the service staff.
"F8" Short-circuit of the regulating NTC • HavetemperaturefeeleroftheregulatingNTCcheckedbythe
service staff.
"F9" No heating performance (excess temperature
switch),def.Semi-conductorrelayorregulator)
• Informtheservicestaff(internalexcesstemperatureswitchmight
havereleased).
) Iferrorscannotbecorrectedwiththeassistanceofthetrouble-shootinglist,pleaseinformtheservicestafforsendinthe
device for repair. Do not start any attempts to repair the unit yourself!