A.O. Smith 1700, 3400, 2600, 2000 instruction manual Fan Parameter Errors

Page 70

CODE

DESCRIPTION

 

Fan Parameter Errors

74

Periodic Forced Recycle

75

Absolute max fan speed was out of range

76

Absolute min fan speed was out of range

77

Fan gain down was invalid

78

Fan gain up was invalid

79

Fan minimum duty cycle was invalid

80

Fan pulses per revolution was invalid

81

Fan PWM frequency was invalid

82-83

RESERVED

 

Modulation Parameter Errors

84

Lead Lag CH 4-20 mA water temperature setting

85

No Lead Lag add stage error threshold was

 

configured

86

No Lead Lag add stage detection time was

 

configured

87

No Lead Lag drop stage error threshold was

 

configured

88

No Lead Lag drop stage detection time was

 

configured

89

RESERVED

90

Modulation output type was invalid

91

Firing rate control parameter was invalid

92

Forced rate was out of range vs. min/max

 

modulation

93

Forced rate was invalid, % vs. RPM

94

Slow start ramp value was invalid

95

Slow start degrees value was invalid

96

Slow start was ended due to outlet sensor fault

97

Slow start was end due to reference setpoint fault

98

CH max modulation rate was invalid, % vs. RPM

99

CH max modulation rate was > absolute max rate

100

CH modulation range (max minus min) was too

 

small (< 4% or 40 RPM)

101

DHW max modulation rate was invalid, % vs.RPM

102

DHW max modulation rate was > absolute max

 

rate

103

DHW modulation range (max minus min) was too

 

small (< 4% or 40 RPM)

104

Min modulation rate was < absolute min rate

105

Min modulation rate was invalid, % vs. RPM

106

Manual rate was invalid, % vs. RPM

107

Slow start enabled, but forced rate was invalid

108

Analog output hysteresis was invalid

109

Analog modulation output type was invalid

110

IAS open rate differential was invalid

111

IAS open step rate was invalid

112

MIX max modulation rate was invalid, % vs. RPM

113

MIX max modulation rate was >absolute max or <

 

absolute min rates

CODE

DESCRIPTION

114

MIX modulation range (max minus min) was too

 

small (< 4% or 40 RPM)

 

Modulation Operation Faults

115

Fan was limited to its minimum duty cycle

116

Manual rate was > CH max modulation rate

117

Manual rate was > DHW max modulation rate

118

Manual rate was < min modulation rate

119

Manual rate in Standby was > absolute max rate

120

Modulation commanded rate was > CH max

 

modulation rate

121

Modulation commanded rate was > DHW max

 

modulation rate

122

Modulation commanded rate was < min

 

modulation rate

123

Modulation rate was limited due to outlet limit

124

Modulation rate was limited due to Delta-T limit

125

Modulation rate was limited due to stack limit

126

Modulation rate was limited due to

 

anticondensation

127

Fan Speed out of range in RUN

128

Modulation rate was limited due to IAS was open

129

Slow start ramp setting of zero will result in no

 

modulation rate change

130

No forced rate was configured for slow start ramp

 

CH parameter Errors

131

CH demand source was invalid

132

CH P-gain was invalid

133

CH I-gain was invalid

134

CH D-gain was invalid

135

CH OFF hysteresis was invalid

136

CH ON hysteresis was invalid

137

CH sensor type was invalid

138

CH hysteresis step time was invalid

139

CH remote control parameter was invalid

140

CH ODR not allowed with remote control

141

Steam P-gain was invalid

142

Steam I-gain was invalid

143

Steam D-gain was invalid

144

Steam OFF hysteresis was invalid

145

Steam ON hysteresis was invalid

 

CH Operation Faults

146

CH control was suspended due to fault

147

CH header temperature was invalid

148

CH outlet temperature was invalid

149

CH steam pressure was invalid

 

CH Parameter errors (continued)

150

Steam setpoint source parameter was invalid

151

Minimum water temperature parameter was

 

greater than setpoint

70

Image 70
Contents XP Boiler Table of Contents Approvals Safe INSTALLATION, USE and ServiceImportant Definitions General Safety Abbreviations Used IntroductionModel Identification QualificationsDimensions and Capacity Data Operating CharacteristicsDouble Heat Exchanger Boiler Rough in Dimensions Double Ratings Electrical RequirementsFLOW, Head and Temperature Rise XB Models FLOW, Head and Temperature RiseFeatures and Components Single Heat Exchanger Boiler ComponentsDouble Heat Exchanger Boiler Components Component Description Low water cutoff board and sensor probe LwcoControl Components Main Power Supply Switch Flame Sensor Water Temperature SensorsWater Temperature Limit Controls LOW Water Cutoff Device LwcoGeneral Boiler Installation ConsiderationsHydronic System Closed Water Systems Internal ContaminantsHOT Water Boiler System General Water Line Connections Thermal ExpansionExplosion Hazard GAS ConnectionsCorrosive Materials and Contamination Sources GAS Supply Line SizingPower Supply Check Field WiringVAC Power Supply Wiring LOW Voltage Control WiringSuggested Pipe Size for Multiple GAS Appliances Natural GAS Location General RequirementsRequired Ability Replacing Existing Common Vented BoilerChemical Vapor Corrosion Installation ClearancesPanels and Covers LevelingFresh AIR Openings for Confined Spaces Confined Space Outdoor AIR Through TWO OpeningsOutdoor AIR Through ONE Opening AIR from Other Indoor Spaces Outdoor AIR Through TWO Horizontal DuctsOutdoor AIR Through TWO Vertical Ducts DuctsVenting Requirements for Installation in Canada Vent and AIR Pipe InstallationAIR Inlet Pipe Materials Direct Vent Installation Requirements Vertical Installation RequirementsHorizontal Installation Requirements Venting SupportsModels Vent KIT Numbers XB/XW Rain CAP Models Vent KIT Numbers XB/XW TEEModels Vent AIR Intake XB/XW KIT Numbers TEE Elbow Models Vent AIR Intake XB/XW KIT Numbers Rain CAP ElbowDirect VENT, Vertical Vent Horizontal Intake Termination Clearances Sidewall Power Vent Power VentTermination Clearances Sidewall Direct Vent Direct VentBELOW. Keep Clear of ALL Obstructions VENT/AIR Termination Locations Direct Vent Horizontal TerminationTermination Vertical Direct Venting Vertical TerminationPrepare ROOF/WALL Penetrations ClearancesModel Vent Diameter Vent MIN. Length Vent MAX. Length Inch Condensate Trap Condensate DisposalCondensate Neutralizer XP Models AO Smith Condensate Neutralizer KIT NumbersGAS Supply Pipe Connections GAS Supply ConnectionsGAS Pressure Requirements Check GAS Supply Inlet Pressure Pipe Sizes for Propane GASPurging GAS Line Check for GAS LeaksBoiler Start UP and Operations Filling and Purging of Heating Boiler InstallationFilling HOT Water Supply Boiler Installation Manifold Pressure ConnectionsINSPECT/FILL Condensate System Freeze Protection Hydronic Heating InstallationCHECK/CONTROL Water Hardness Water Hardness Medium 0-12 Grains PER Gallon XW ModelLighting and Operating Instructions Adjustment Setting of the Test ModeHigh Fire Rate Burner Control System Control SystemOverview Communications and Displays SpecificationsBurner Control Operation General Operational Sequence Domestic HOT Water Lead LAGLead LAG LL Master General Operation Local Operator Interface Display System FeaturesDefinitions Quick Setup S7999B OI Display Installation Instructions S7999B OI DisplayMounting the S7999B OI Display and Power Supply Starting UP the S7999B OI Display POWER-UP ValidationCommon OI Display page Symbols NavigationS7999B Display page Flow Configure Button Status or HomeChange Parameter Settings Configuration PasswordLogin KeyboardExample of Change Configuration Parameter VerifyData Comment FAULT/ALARM HandlingHistory Button Example of Hydronic History Control Expanded Alert Detail Operation ButtonDiagnostics Button System Configuration S7999B OI Display onlySystem Synchronization S7999B OI Display only ConfigurationHydronic Control Troubleshooting Code Description Recommended Troubleshooting Lockout CodesReserved ILK OFF Flame Operation Faults 105 Flame detected out of sequence Adjust the LF switch while in this position Inspect the Combustion Pressure Switch to make Code Description Recommended Troubleshooting Lockout Codes Code Description Recommended Troubleshooting Lockout Codes Code Description AllowedFan Parameter Errors Code Description Steam 20mA water temperature setting was invalid Abnormal Recycle Hardware flame bias delta high Eeprom DHW Plate Heat Exchanger Errors General Maintenance Maintenance ProceduresMaintenance Schedules Inspect Boiler AreaBlower Compartment Burner MaintenanceAIR Filter BOX Heat Exchanger Maintenance Venting MaintenanceCondensate Removal System Replacement Parts Handling Ceramic Fiber MaterialsPiping Diagrams Inlet DIAStorage Tank AOS Limited Warranty Conditions and Exceptions

3400, 1700, 2000, 2600 specifications

A.O. Smith, a leader in water heating solutions, has developed a range of high-efficiency water heaters that cater to various residential and commercial needs. Among their stellar offerings are the A.O. Smith 2600, 2000, 1700, and 3400 models, each boasting impressive features, cutting-edge technologies, and excellent energy efficiency.

The A.O. Smith 2600 model is designed for those who require a robust water heating solution with a capacity to handle high-demand scenarios. It utilizes a highly efficient heating element that provides rapid heating and maintains a steady output. The built-in smart control system allows users to monitor temperature settings and track energy consumption, ensuring optimal performance.

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All A.O. Smith water heaters, including the 2600, 2000, 1700, and 3400 models, feature corrosion-resistant materials ensuring longevity and durability. With their commitment to quality and innovation, A.O. Smith continues to provide water heating solutions that meet modern demands while emphasizing energy efficiency and user convenience. Whether for residential or commercial use, each model represents the pinnacle of reliability and performance in water heating technology.

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