nilan Comfort 252 Top User Manual

Also see for Comfort 200 Top: Installation instructions Installation instructions Installation instructions

nilan Comfort 252 Top User Manual Manual pdf 23 page image

Alarm listComfort unitAlarm listThe first column in the event log shows whether the event relates to master (M) or slave (3).The list below relates to Comfort, and the events are divided into the following categories:Info Information Normal operation is unaffected and no information is shown on the display.Warning Operation continues, but something no longer functions optimally.Critical Operation has stopped partially or completely, as a serious error requiresimmediate attention.ID Type Display text Description / cause Rectification of error1 Hardwareerror Error in the hardware of the control system. If resetting does not help, contact service.2 Alarmtimeout A warning alarm has become a critical alarm.Register alarm and reset.If the alarm does not disappear, contactservice.3 Fire alarmactivatedFire thermostat. The unit has stoppedbecause the fire thermostat has beenactivated.If there has been no fire, contact service.7Frost in after-heatingelementTemperature sensors:Units without a T9 sensor: Frost thermostat inwater heating element triggered.Units with a T9 sensor: Water heating elementcould not reach 20°C within 6 min.Check for adequate insulation around thewater heating element and its connections.Reset alarm.8FrostthermostattriggeredTemperature sensors:Only on units with a T9 sensor: Frostthermostat in water heating elementtriggered.Check for adequate insulation around thewater heating element and its connections.Reset alarm.10 InfoOverheatingof electricalafter-heatingThe electrical heating element hasoverheated. Lack of airflow due to, forinstance, blocked filters, blocked air intake ordefect supply air fan.Check that air blows into the dwelling.Check the filter and the air intake.Reset alarm.If the above does not help, contact service.11 InfoLow flow overthe electricalheating-elementLack of airflow in supply air.See alarm code 10. See alarm code 10.15The roomtemperatureis too lowWhen the room temperature is below 10°C,the unit will stop in order to prevent furthercooling of the house. This may, for instance,be during a period when the house isunoccupied and the heating system is off.Heat up the house and reset the alarm.16 Info Softwareerror Error in the control system program. Contact Service.17 Info Watchdogwarning Error in the control system program. Contact Service.Comfort 252 / 302 Top / Polar (English) BY NILAN23