19 Errors & Lockouts
Mk8 MM Manual Page | 391
(E62) (E64) Bottom blowdown reduction boiler steam production rating not set.
• If bottom blowdown reduction is enabled, than steam production rating must be set.
• Check expansion options 62 and 64.
(E62) (E120) Bottom blowdown reduction requires steam flow to be enabled.
• If bottom blowdown reduction is enabled, then steam flow metering must be enabled.
• Check expansion options 62 and 120.
(E80) (E82) Draught control enabled but draught servo disabled.
• Draught servomotor must be enabled for draught control.
• Check expansion options 80 and 82.
(E120) (57) Heat flow requires fuel flow to be optioned and commissioned.
• If heat flow function is set, fuel flow metering must be optioned and commissioned.
• Check expansion 120 and option 57.
(E120) (1) Steam flow requires a boiler pressure sensor.
• A boiler load/external pressure detector must be set for steam flow metering.
• Check expansion option 120 and option 1.
(E120) (1) Water flow requires a boiler temperature sensor.
• A boiler load/external temperature detector must be set for hot water flow metering.
• Check expansion option 120 and 1.
(E127) (E128) Steam flow start pressure offset must be less than stop offset.
• The steam flow start pressure offset cannot be set higher than the steam flow stop pressure offset.
• Check expansion options 127 and 128.
(E140) (12) Fully metered cannot be optioned with EGA trim.
• Fully metered control can be used with the EGA set as monitoring only, but not 3-parameter trim.
• Check expansion option 140 and option 12.
(E140) (E4) Fully metered cannot be optioned with external water level probe.
• Fully metered control cannot be used with external water level probe (terminals EX- and EX+ are
required for both features).
• Check expansion options 140 and 4.
(E140) (E120, E129) Fully metered cannot be optioned with local heat flow.
• Fully metered control cannot be used with steam or hot water flow metering.
• Check expansion options 140, 120 and 129.
(E140) (E141, E143) Fuel temperature cannot be optioned with mass flow meter.
• Fuel temperature sensor cannot be used with a fuel mass flow meter in fully metered control.
• Check expansion options 140, 141 and 143.
(E140) (E141, E145) Fuel pressure cannot be optioned with mass flow meter.
• Fuel pressure sensor cannot be used with a fuel mass flow meter in fully metered control.
• Check expansion options 140, 141 and 145.
(E140) (E142, E144) Air temperature cannot be optioned with mass flow meter.
• Air temperature sensor cannot be used with an air mass flow meter in fully metered control.
• Check expansion options 140, 142 and 144.
(E140) (E142, E146) Air pressure cannot be optioned with mass flow meter.
• Air pressure sensor cannot be used with an air mass flow meter in fully metered control.
• Check expansion options 140, 142 and 146.
(E140) (150, E154) Fully metered requires gas fuel 1 to have non-zero density.
• Density must be set for gas in fully metered control.
• Check option 150 and expansion options 140 and 154.
(E140) (151, E155) Fully metered requires gas fuel 2 to have non-zero density.
• Density must be set for gas in fully metered control.
• Check option 151 and expansion options 140 and 155.
(E140) (152, E156) Fully metered requires gas fuel 3 to have non-zero density.
• Density must be set for gas in fully metered control.
• Check option 152 and expansion options 150 and 156.
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