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Installation and maintenance instructions ecoFIT sustain 0020277262_02
C
Status codes
–
Overview
Status code
Meaning
Displays in heating mode
S. 0
Heating mode: No requirement
S.01
Heating mode: Fan prerun
S.02
Heating mode: Pump prerun
S.03
Heating mode: Burner ignition
S.04
Heating mode: Burner on
S.05
Heating mode: Pump/fan overrun
S.06
Heating mode: Fan overrun
S.07
Heating mode: Pump overrun
S.08
Heating mode: Temporary shutdown after heating procedure
Display in domestic hot water mode with cylinder
S.20
Domestic hot water mode: Requirement
S.21
Domestic hot water mode: Fan prerun
S.22
Domestic hot water mode: Pump prerun
S.23
Domestic hot water mode: Burner ignition
S.24
DHW mode: Burner on
S.25
DHW mode: Pump/fan overrun
S.26
DHW mode: Fan overrun
S.27
DHW mode: Pump overrun
S.28
Domestic hot water mode: Temporary shutdown of the burner
Other displays
S.30
Room thermostat is blocking heating mode.
S.31
No heating demand: Summer mode, eBUS control, waiting period
S.32
Fan waiting time: Fan speed outside of the tolerance values
S.34
Frost protection active
S.39
Underfloor heating contact open
S.42
Flue non-return flap closed
S.46
Frost protection mode (Comfort): Minimum load
S.53
Product in waiting period/operating block function due to water deficiency (flow/return spread too large)
S.54
Waiting period: Water deficiency in the circuit (flow/return spread too large)
S.88
Product purging active
S.91
Maintenance: Demo mode
S.96
Automatic test programme: Return temperature sensor, heating demands blocked.
S.98
Automatic test programme: Return temperature sensor, heating demands blocked.
S.99
Internal automatic test programmes
S.108
Purging the combustion chamber, fan in operation
S.109
Product's standby mode activated