Laars All models error codes
Codes
- b03Error codeOutlet temperature too high
- b04Error codeDelta T (inlet to outlet) temperature differ- ence too high
- b05Error codeFlue temperature too high
- b06Error codeLine voltage too low
- E001Error codeMemory error lockout
- E002Error codeFan speed error
- E005Error codeWater pressure switch error
- E007Error codeLow water cutoff error
- E008Error codeField interlock error
- E009Error codeBlocked vent switch
- E010Error codeBlocked vent/ fan proving switch error
- E013Error codeFlue high temperature
- E014Error codeOutlet high temperature (manual reset high limit)
- E015Error codeFlue sensor drift too high
- E016Error codeOutlet sensor drift too high
- E017Error codeFlue sensor error
- E018Error codeOutlet sensor error
- E019Error codeInlet sensor error
- N01Error codeFan speed limited due to flue gradient not detected
- N02Error codeFan speed limited due to high temperature at outlet
- N03Error codeFan speed limited due to excessive delta T
- N04Error codeFan speed limited due to high flue temperature
- n05Error codeDomestic hot water sensor not present (Combi boiler only). Hot water call will be blocked
- n06Error codeOutdoor sensor not present
- P07Error codeCascade temperature set point
- P08Error codeCascade temperature offset
- P09Error codeCascade temperature hysteresis from offset
- P24Error codeAnti cycling dropoff temperature on s2
- P25Error code0 - 10V to Power (fan speed)
- P27Error codeAlarm contact configuration
- P28Error codeDomestic hot water demand blocks system pump enable/ disable
- P29Error codeSystem pump always on enable/ disable
- P31Error codeBuilding management system voltage at minimum
- P32Error codeBuilding management system voltage at maximum
- P33Error codeOn threshold voltage
- P34Error codeOn hysteresis voltage
- P35Error codeBuilding management system rate at minimum voltage
- P36Error codeBuilding management system rate at maximum voltage
- P37Error codeBuilding management system temperature setpoint at mini mum voltage
- P38Error codeBuilding management system temperature setpoint at maximum voltage
- P39Error codePostcirculation time for central heat pump
- P40Error codePostcirculation time for domestic hot water pump
- P41Error codePostcirculation time for system pump
- P42Error codeSummer kick timer for central heat pump
- P43Error codeSummer kick timer for domestic hot water pump
- P44Error codeSummer kick timer for system pump
- P45Error codeDelta T setpoint for central heat pump speed control
- P46Error codeMinimum output voltage for central heat pump output
- P47Error codeDifferential maximum fan speed for hot water demand
- P48Error codeDifferential maximum fan speed for central heat demand