Honeywell 7800 SERIES Product Data Download Page 63

Page: 63 / 64

7800 SERIESS7800A2142 4-Line LCD Keyboard Display Module

32-00110-07

Fault
Code

(Reg

40001)

Fault Message

(NOTE: FAULT n: is not in

the Fault and Strings Code)

Fault

String

Code

(Table

21)

163

FAULT 32a: AUX LIMIT #1EA

164

FAULT 30s: OTHER INTERLOCK-

SEA

165

FAULT 30r: AUX INTERLOCK

#5EA

166

FAULT 30q: AUX INTERLOCK

#4EA

167

FAULT 30p: AIRFLOW SWITCHEA

168

FAULT 30o: LOW GAS PRESSU-

REEA

169

FAULT 30n: HIGH GAS PRESSU-

REEA

170

FAULT 30m: ATOMIZING SWEA

171

FAULT 30k: LOW OIL TEMPEA

172

FAULT 30j: HIGH OIL TEMPEA

173

FAULT 30i: LOW OIL PRESSU-

REEA

174

FAULT 30h: HIGH OIL PRESSU-

REEA

175

FAULT 30g: BOTH FUELS SE-

LECTEA

176

FAULT 30f: FUEL SELECT OFFEA

177

FAULT 30e: AUX LIMIT #3EA

178

FAULT 30d: HIGH LIMITEA

179

FAULT 30c: LWCOEA

180

FAULT 30b: AUX LIMIT #2EA

181

FAULT 30a: AUX LIMIT #1EA

182

FAULT 29s: OTHER INTERLOCK-

SEA

183

FAULT 29r: AUX INTERLOCK

#5EA

184

FAULT 29q: AUX INTERLOCK

#4EA

185

FAULT 29p: AIRFLOW SWITCHEA

186

FAULT 29o: LOW GAS PRESSU-

REEA

187

FAULT 29n: HIGH GAS PRESSU-

REEA

188

FAULT 29m: ATOMIZING SWEA

189

FAULT 29k: LOW OIL TEMPEA

190

FAULT 29j: HIGH OIL TEMPEA

191

FAULT 29i LOW OIL PRESSU-

REEA

192

FAULT 29h: HIGH OIL PRESSU-

REEA

193

FAULT 29g: BOTH FUELS SE-

LECTEA

194

FAULT 29f: FUEL SELECT OFFEA

195

FAULT 29e: AUX LIMIT #3EA

196

FAULT 29d: HIGH LIMITEA

Fault
Code

(Reg

40001)

Fault Message

(NOTE: FAULT n: is not in

the Fault and Strings Code)

Fault

String

Code

(Table

21)

197

FAULT 29c: LWCOEA

198

FAULT 29b: AUX LIMIT #2EA

199

FAULT 29a: AUX LIMIT #1EA

200

FAULT 23s: OTHER INTERLOCK-

SEA

201

FAULT 23r: AUX INTERLOCK

#5EA

202

FAULT 23q: AUX INTERLOCK

#4EA

203

FAULT 23p: AIRFLOW SWITCHEA

204

FAULT 23o: LOW GAS PRESSU-

REEA

205

FAULT 23n: HIGH GAS PRESSU-

REEA

206

FAULT 23m: ATOMIZING SWEA

207

FAULT 23k: LOW OIL TEMPEA

208

FAULT 23j: HIGH OIL TEMPEA

209

FAULT 23i LOW OIL PRESSU-

REEA

210

FAULT 23h: HIGH OIL PRESSU-

REEA

211

FAULT 23g: BOTH FUELS SE-

LECTEA

212

FAULT 23f: FUEL SELECT OFFEA

213

FAULT 23e: AUX LIMIT #3EA

214

FAULT 23d: HIGH LIMITEA

215

FAULT 23c: LWCOEA

216

FAULT 23b: AUX LIMIT #2EA

217

FAULT 23a: AUX LIMIT #1EA

218

FAULT 22s: OTHER INTERLOCK-

SEA

219

FAULT 22r: AUX INTERLOCK

#5EA

220

FAULT 22q: AUX INTERLOCK

#4EA

221

FAULT 22p: AIRFLOW SWITCHEA

222

FAULT 22o: LOW GAS PRESSU-

REEA

223

FAULT 22n: HIGH GAS PRESSU-

REEA

224

FAULT 22m: ATOMIZING SWEA

225

FAULT 22k: LOW OIL TEMPEA

226

FAULT 22j: HIGH OIL TEMPEA

227

FAULT 22i: LOW OIL PRESSU-

REEA

228

FAULT 22h: HIGH OIL PRESSU-

REEA

229

FAULT 22g: BOTH FUELS SE-

LECTEA

230

FAULT 22f: FUEL SELECT OFFEA

Summary of Contents for 7800 SERIES

Page 1: ...ollowing technical advancements to the 7800 SERIES devices Compatible with installed Honeywell 7800 SERIES systems When used with the new 7800 SERIES with Valve Proving Feature the KDM allows for programming the Valve Proving Control feature and timing Pass Code protected feature When used with the new 7800 SERIES with Postpurge feature the KDM allows for programming the Postpurge time Pass Code p...

Page 2: ...ignal strength Expanded annunciator status Total cycles of operation Total hours of operation Fault history of six most recent faults Cycles of operation at time of fault Expanded annunciator data at time of fault Fault message and code Hours of operation at time of fault Sequence status at time of fault Sequence time at time of fault Diagnostic information Device type Flame amplifier type Flame f...

Page 3: ... follow them could damage the product or cause a hazardous condition 2 Check the ratings given in the instructions and marked on the product to make sure the product is suitable for your application 3 Installer must be a trained experienced flame safeguard service technician 4 After installation is complete check out the product operation as provided in these instructions 5 Be sure wiring complies...

Page 4: ...will occupy terminals 1 2 3 of the 203541 Connector on the KDM which disables the Expanded Annunciator Features SERVICE NOTE The S7800A2142 can either do the Expanded Annunciator Feature or ModBus not both If BOTH are required order the S7810M1003 ModBus Module for the ModBus option B The S7800A2142 KDM is also used to program the Valve Prov ing and Post purge feature of Select RM7800 SERIES devic...

Page 5: ... in any combination Application Recommend ed Wire Size Recom mended Part Num ber Keyboard Dis play Module 22 AWG two wire twisted pair with ground or five wire Belden 8723 shielded cable or equivalent Data Control Bus Module 22 AWG two wire twisted pair with ground or five wire Belden 8723 shielded cable or equivalent Remote Reset Module 22 AWG two wire twisted pair insulated for low voltage Commu...

Page 6: ...e message replaces a selectable message to support the sequence status information The 7800 SERIES Relay Module LED provide positive visual indication of the Relay Module sequence The LED is energized simultaneously with the correct sequence description 1 1 2 3 3 2 120 OHM RESISTOR 1 120 OHM RESISTOR A B A B C GND 13 VDC RESET C GND 13 VDC RESET 1 2 3 4 5 1 2 3 4 5 MOMENTARY PUSH BUTTON SWITCH S78...

Page 7: ... THE CLOSEST AND FARTHEST END OF THE DAISY CHAIN REQUIRE TERMINATION RESISTORS INSTALL A 120 OHM 1 4 WATT RESISTOR BETWEEN TERMINALS A AND B OF THE PC PLC IF INSTALLED AT ONE END THE DAISY CHAIN INSTALL A 120 OHM 1 4 WATT RESISTOR BETWEEN TERMINALS 7 AND 8 OF THE LAST S7810M MODBUS MODULE IN THE DAISY CHAIN B WITH RS 485 REPEATER WHEN AN RS 485 REATER IS USED TWO DAISY CHAIN CONFIGURATIONS ARE EFF...

Page 8: ... the input focus on the page If the input focus doesn t make sense for the button action selecting the button is ignored KEYBOARD BUTTONS Fig 6 Keyboard buttons Page Structure The Home and Lockout pages display text using a larger font size than all other pages so that information on them can be more easily viewed from distances farther away from the display module see Fig 7 and Fig 8 Up to 4 5 li...

Page 9: ...nfirmation action permits the user to cancel the editing and not commit to the change or to accept the edited value Home Page The Home page is the main status page that displays primary status of the burner control operation see Fig 11 This page is intended to be the primary one displayed most often when the user is not specifically looking for other information or configuring the display The foll...

Page 10: ...ault or hold message on the display Self diagnostics of the 7800 SERIES enables it to detect and annunciate both external and internal system problems Internal faults and external faults such as interlock failures flame failures and false flame signals are annunciated by the KDM via the 7800 SERIES Relay Module The KDM displays a sequence status message indicating STANDBY PREPURGE PRE IGNITION SAF...

Page 11: ...module is in a STANDBY HOLD status the following conditions could exist STANDBY HOLD F G Flame Detected The KDM indicates the burner status and that a flame is detected A demand is present for burner operation The sequence does not advance to PREPURGE until the flame signal clears If the flame signal does not clear within 40 sec onds the relay module locks out STANDBY HOLD T20 Pre Ignition Interlo...

Page 12: ...this period the relay module permits the main valve to open and the main flame to establish RUN The KDM indicates the burner status RUN which is the period of time after the Ignition Trials and before the operating controller setpoint is reached During this time the burner is firing under control of the firing rate control If the relay module is in a RUN HOLD status the following condition could e...

Page 13: ...ubleshooting tips and is presented in a scrollable paragraph form for reading using the up and down arrow buttons see Fig 14 The navigation bar contains the following commands that can be selected using the right and left arrow buttons Faults go to Troubleshooting guide Faults section Exit exit Introduction section and return back to Troubleshooting guide menu Sequence go to Troubleshooting guide ...

Page 14: ... the right and left arrow buttons Prev sequence go to previous sequence status hold message Exit exit Sequence Status Hold section and return back to Troubleshooting guide menu Next sequence go to next sequence status hold message Pressing the OK button executes the command with the current input focus Fig 18 Troubleshooting guide sequence section continued Historical Information Index The S7800 d...

Page 15: ...ormation t u STANDBY Diagnos tic Information Use the right arrow or OK button to access the Diag nostic Information 3 Continue display of Diagnostic Information hi Device RM7800 Push the Down Up arrow buttons to scroll through the burner control diagnos tic status 4 Continue through remaining diagnostic information display following step 3 as required 5 Press the t arrow button to return to the Ho...

Page 16: ... Annunciated lockout message When an annunciator is connected to the burner control system it may annunciate the lockout to provide more detailed information regarding the lockout In this case the fault code is annunciated with a fault code letter and the fault description identifies more specifically the cause of the fault see Fig 23 for an example On the top line of the message the input focus i...

Page 17: ...stom displays continuously while the lockout condition persists The user may elect to exit the message to view other pages by pressing the Left arrow or Home button which navigates to the Home page The lockout condition is displayed on the Home page see Fig 27 which permits the user to re display the lockout message Pressing the Right arrow button when the lockout fault code line has input focus c...

Page 18: ...er check or Am pli Check versions Fault 9 Flame Detected Flame sensed when shutter open and no flame is expected during STANDBY Check that flame is not present in the combustion chamber correct any errors Check wiring and correct any errors Make sure that flame sensor wires are in separate conduits Check for noise cou pling into flame detector leadwires Remove the flame amplifier and inspect its c...

Page 19: ...mplifier and inspect the connections Reseat the amplifier Reset and sequence the relay module If the code reappears replace the amplifier and or the flame detector If the fault persists replace the relay module Fault 16 Flame Out Timer No flame detected during Pilot Flame Establishing Period Measure the flame signal If one exists make sure it meets specifications Make any necessary burner adjustme...

Page 20: ... PREPURGE Check wiring correct any errors Inspect the fan make sure there is no blockage of the air intake and that it is supplying air Make sure the Interlock Switches are working properly and that all switch contacts are free of contaminants Reset and sequence the relay module to PREPURGE place the Run Test Switch in the Test position if available Measure the voltage between terminals 7 and G gr...

Page 21: ...e Test position if available Measure the voltage between terminals 7 and G ground Line voltage should be present If steps 1 through 4 are correct and the fault persists replace the relay module Fault 30 Running ILK Running Interlock fault Inspect the Running Interlocks including the Airflow Switch and the connections Make sure that the Running Interlocks including the Airflow Switch are functionin...

Page 22: ...errors Reset and sequence the relay module If fault persists replace the relay module Fault 35 Call Service Safety relay was off when it should be on or a fuse has blown Reset and sequence the relay module If fault repeats replace relay module but be sure to test for excessive loads on appro priate terminals described by fault code If fault does not repeat on next cycle check for electrical noise ...

Page 23: ...and sequence the relay module For EC RM7890 only make sure that Jumper JR2 is com pletely clipped if a three second FFRT amplifier is being used If Jumper JR2 is intact relight option is selected use 0 8 second FFRT amplifier For RM7838B only make sure that a Shutter Check Flame Amplifier is being used with the Pilot Valve Hold option select ed Fault 47 Jumpers Changed The configuration jumpers di...

Page 24: ...e relay module Fault 53 Lockout Switch Lockout Input fault EC RM7810 7820 7830 7850 only Check wiring correct any errors Inspect the Lockout Switch to make sure it is working prop erly Reset and sequence the relay module During STANDBY or PREPURGE measure the voltage be tween terminal 20 and G ground Supply voltage should be pres ent If not the lockout switch is defective and needs replacing If th...

Page 25: ...h must be open EC RM7850 only Check firing rate position switches usually in Modutrol Motor for proper operation Check wiring correct any errors Reset and sequence the relay module If the fault persists replace the relay module Fault 71 Limits Com plete Limit input terminal 7 is off when it should be on RM7888 only Check limits to make sure they are satisfied after resetting Check electrical conne...

Page 26: ... If the fault reappears remove power from the relay module and reapply the power reset and sequence the relay module If the fault persists replace the relay module Fault 97 Over tem perature Device ambient tem perature limit exceeded Check ambient temperature and reduce to within specifica tions If the fault persists replace the relay module Fault 98 Flame cir cuit diagnos tic failure Flame circui...

Page 27: ...nnections are complete and correct Make sure the relay module and all loads operate at the same line voltage phase Reset and sequence the relay module If the fault persists replace the relay module Fault 110 Locked jumpers do not match configura tion The configuration jumpers differ from stored values Inspect the jumper connections Make sure they match the original selection and clipped jumpers ar...

Page 28: ...its the following features to be configured Call for Service custom lockout message Modbus interface Enable Address Baud rate Parity U32 register Endian order Annunciator terminal assignment Custom annunciator terminal messages Sleep time Inactivity time Selected status message for Home page Backlight intensity level Language Heater mode The current settings of these parameters can be viewed at an...

Page 29: ...isplay password is entered by scrolling the digits and tabbing to the Yes command and pressing the OK button to login A successful login transitions to the configuration page An unsuccessful login wrong password displays an INVALID PASSWORD message see Fig 31 If the user elects to cancel the login tabbing to the No command and pressing the OK button returns control to the previous page Fig 31 Inva...

Page 30: ...ing actions occur Display option enable disable this feature Test message view message in operation Edit message edit the message The user must be logged in before navigation to the Display option and Edit message pages occur If the user is not logged in the user is asked to log in The left arrow button is used to exit this page and return back to the Display Menu page The Home button exits this p...

Page 31: ...it commands The edit commands are accessed from the edit line from either the first or last character positions When the input focus is on the first character position of the edit line a left arrow button action navigates the input focus down to the navigation bar commands When the input focus is on the last character position in the edit line a right arrow button action also moves down to the nav...

Page 32: ...lected setting If the setting should not be saved scroll down to the No command and press the OK button In both cases control returns back to the Modbus setup menu The Modbus slave address can be edited by selecting the Address line and pressing the right arrow or OK button see Fig 42 Only Modbus messages directed to this address are acknowledged and messages sent to other addresses are ignored by...

Page 33: ...of the following parity types Even parity Odd parity No parity None The current parity setting is displayed initially when the page is entered Fig 44 Modbus parity setup The up and down arrow buttons are used to scroll through the parity choices on the edit line The right and left arrow buttons are used to tab to the save commands Yes and No When the input focus is on the save commands the up and ...

Page 34: ... the OK button is pressed In both save command cases control returns back to the Modbus setup menu Annunciator Setup Annunciator setup is accessed from the Display Menu see Fig 46 This setup permits the customization of the annunciator interface to match with the system usage of the annunciator Two selections are possible from this menu Terminal assignment Custom messages Fig 46 Annunciator setup ...

Page 35: ... Fig 50 Tab from annunciator terminal name selection line On the command line the right and left arrow buttons tab between the Save and Exit commands Pressing the OK button executes the command that is highlighted The Save command saves the currently displayed terminal assignment to permanent storage in the display module The Exit command leaves this page and returns back to the Annunciator setup ...

Page 36: ...e text When the left arrow button is pressed and the input focus is in the first character position of the text however the input focus moves to the Save command in the command line see Fig 54 When the right arrow button is pressed and the input focus is in the last character position of the text the input focus moves to the Exit command in the command line LEFT ARROW RIGHT ARROW Fig 54 Tab to ann...

Page 37: ...he value desired the Yes command is selected and the OK button is pressed to commit the change If the user decides not to save the displayed time the No command is selected and the OK button is pressed In both save command cases control returns back to the Display setup menu Inactivity Time The display inactivity time determines whether any non status configuration etc page should be automatically...

Page 38: ...ue 1 25 Vdc Total number of equipment operat ing cycles Total cycles 0 99 999 250 000 999 999c cyclesa Cycle will be updated each time main valve is energized Total number of equipment operat ing hours Total hours 0 99 999 250 000 999 999c hoursa Hour will be updated each time main valve output is energized for 60 minutes Number that iden tifies the reason for lockout FH fault code 0 127 Most rece...

Page 39: ...e energized Pilot Flame Es tablishing Period PFEP Jumper 1 INTACT CLIPPED Display shows state of PFEP jumper If jumper is intact 7800 SERIES was 10 second PFEP If jumper is clipped 7800 SERIES has 4 second PFEP First Safety Time for RM EC7850 INTACT CLIPPED Display shows state of First Safety Time EC7850 jumper If jumper is intact EC7850 has 5 second First Safety Time If jumper is clipped the EC78...

Page 40: ...mit 3 ON or OFF Indicates if interlock is on or off T12 Oil selectf Annunciator Oil se lection ON or OFF Indicates if interlock is on or off T13 High oil pres suref Annunciator High oil pressure ON or OFF Indicates if interlock is on or off T14 Low oil pres suref Annunciator Low oil pressure ON or OFF Indicates if interlock is on or off T15 High oil tempf Annunciator High oil temperature ON or OFF...

Page 41: ...light Intensity Level The backlight intensity level specifies the intensity that the LCD backlight should have at this installation location The following intensity levels can be specified 5 Brightest 4 Brighter 3 Normal no adjustment default 2 Slightly darker 1 Darker 0 Darkest Access to setup this parameter is obtained from the Display setup menu see Fig 59 Current adjustment level setting is di...

Page 42: ...situations The display heater feature is available for all models except for those listed on page 43 Models that do not use the Heater Function Heater panel operation can be set by the user to one of the following settings Automatic default heater turns on when internal temperature reaches 50 F 10 C or below On heater is on always Off heater is off always Heater mode setup is accessed from the Dis...

Page 43: ...es are configured using a commissioning procedure that interacts with the installed burner control module The commissioning procedure is driven by the burner control module since it is aware of the features it supports and is responsible for their settings Models that support either one of the features can be identified in the display module by one of three methods see Fig 64 SETUP NEEDED state is...

Page 44: ...t the menu and not do commissioning with the No command The right and left arrow buttons tab between the two options Pressing the OK button executes the highlighted command If No is selected control returns back to the page that it originated from Home or Display Menu If Yes is selected the user is requested to log into the burner control module with the commissioning password see Fig 67 Fig 67 Co...

Page 45: ...up and down arrow buttons are used to scroll through the choices on the edit line The right and left arrow buttons are used to tab to the save commands Yes and No When the input focus is on the save commands the up and down arrow buttons scroll between Yes and No When the choice is set to the desired value the Yes command is selected and the OK button is pressed to commit the change If the user de...

Page 46: ...setting is displayed allowing the user to change it to a new value This time parameter has a range of 0 63 minutes with times that must be set in the following manner same as VP time 0 60 seconds in 1 second increments 1 10 minutes in 10 second increments 10 63 minutes in 1 minute increments Because of these configuration constraints the minute and seconds digits increment decrement in steps that ...

Page 47: ... setting in the following page see next figure The time setting is displayed on the page and the user confirms it with a Yes answer or declines it with a No answer SETTING ENTERED EARLIER Fig 73 Confirm valve proving time The right and left arrow buttons are used to tab between the Yes and No commands When the decision is made the OK button is pressed to inform the burner control module A No comma...

Page 48: ... session is terminated by the burner control module and this failure is indicated on the page see Fig 77 for an example Fig 77 Failed commissioning step The user has the option to restart commissioning or not if the session fails to end completely The Yes option is selected and the OK button pressed to redo commissioning by logging in again see Fig 67 The No option is selected and the OK button pr...

Page 49: ...or Diagnostics Diagnostic information about the annunciator can be viewed on the display module when an annunciator is connected in the system see Fig 79 If an annunciator is not connected this information is not accessible The following information is displayed Annunciator status T4 T22 terminal status ON or OFF Fault first out code Software revision The assigned terminal names display for the T4...

Page 50: ...display Fixed dots every other pixel is on Fig 81 LCD diagnostics test The up and down arrow buttons are used to scroll through the different test selections The right and left arrow buttons are used to tab to the Start test options Yes and No When the input focus is on the Start test options the up and down arrow buttons scroll between Yes and No Pressing the OK button when the Yes option is sele...

Page 51: ...Default 5 Custom 50 Default 6 Custom 51 Default 7 Custom 52 Default 8 Custom 53 Default 9 Custom 54 Default 10 Custom 55 Default 11 Custom 56 Default 12 Custom 57 Default 13 Custom 58 Default 14 Custom 59 Default 15 Custom 60 Default 16 Custom 61 Default 17 Custom 62 Default 18 Custom 63 Default 19 Custom 64 Default 20 Custom message text is editable so this text can vary Table 7 Annunciator Termi...

Page 52: ...High Preset Data Low CRC CRC 01 06 00 7F 00 04 B9 D1 Table 11 Query Message Format for Function Code 6 Slave Address Function Code Starting Address High Starting Address Low Preset DataHigh Preset Data Low CRC CRC 01 06 00 7F 00 04 B9 D1 Table 12 Response Message Format for Function Code 6 There is no response if the query was broadcast Slave Address Function Code CRC CRC 03 11 C1 4C Table 13 Quer...

Page 53: ...e Table 21 Simulates Line 2 of S7800 0005 40006 BC Sequence time R U16 0 4095 Seconds 0006 40007 BC Total cycles R U32 Max value is 0xFFFFFFFF 0008 40009 BC Total hours R U32 Max value is 0xFFFFFFFF 000A 40011 BC Flame 1 sig nal strength R U16 0 to 255 represents 0 0 to 25 5 volts Not clipped to 5 0V like S7800 000B 40012 BC Flame 2 sig nal strength R U16 0 to 4095 N A for 7800 SERIES 000C 40013 B...

Page 54: ... Run 2 Enabled after Run 3 Enabled before and after Run 4 Enabled split half before and half after Run 0068 40105 Valve Proving option R U16 1 Uncommissioned 2 Commissioned 0069 40106 Valve Proving time R U16 Seconds 006A 40107 BC terminal state bits R U32 Bit 0 LSB to Bit 31 MSB represent terminals T0 to T31 of burner control T0 Run Test switch T5 Fan T6 T21 terminal T24 Alarm T25 Modulate T26 Re...

Page 55: ...registers 0 Big Endian MS U16 first 1 Little Endi an LS U16 first Table 16 ModBus Register Assignments NOTE Device Data Ready and S7800 Compatibility bits can be used to quickly check device availability and compatibility then read write registers of only these devices Response Message Format for Function Code 17 This format is device specific and is only available for the 7800 SERIES burner contr...

Page 56: ... SERIES Burner Control State Bits The burner control sequence state is translated into State Bit Register as shown in Table 19 BIT Description BC State Bits Register 0 Initiate 0000 0000 0000 0001 1 Standby 0000 0000 0000 0010 2 Purge 0000 0000 0000 0100 3 Pilot Ignition 0000 0000 0000 1000 4 Main Ignition 0000 0000 0001 0000 5 Run 0000 0000 0010 0000 6 Postpurge 0000 0000 0100 0000 7 Pre Ignition...

Page 57: ...D 104 35 4002h 10 STANDBY HOLD T20 Pre ignition 104 86 4002h 11 STANDBY HOLD T7 RUNNING INTERLOCK 104 101 4002h 12 STANDBY HOLD T7 Lockout Interlock 104 54 4002h Reg ister 40003 7800 SERIES Sequence State String Code Uses mm ss Burn er Con trol State Bits Line 1 Line 2 13 STANDBY HOLD AIRFLOW SWITCH 104 13 4002h 14 PURGE HOLD T19 High Fire Switch 93 40 4004h 15 PURGE DELAY T19 High Fire Jumprd 89 ...

Page 58: ... STANDBY HOLD RUN TEST SWITCH 104 98 4002h 51 STATE 51 31 0 A000h 52 STATE 52 31 0 A000h 53 SAFETY RUN TEST SWITCH 102 98 4008h 54 STATE 54 31 0 A000h Reg ister 40003 7800 SERIES Sequence State String Code Uses mm ss Burn er Con trol State Bits Line 1 Line 2 55 STANDBY HOLD PURGE FAN SWITCH 104 92 4002h 56 STATE 56 31 0 A000h 57 PURGE HOLD PURGE FAN SWITCH 93 92 4004h 58 STAND BY HOLD FLAME DETECT...

Page 59: ...LOCK 4 16 AUX INTERLOCK 5 17 AUX LIMIT 1 18 AUX LIMIT 2 19 AUX LIMIT 3 20 BLOCK INTAKE 21 BOTH FUELS SELECT 22 BURNER OFF 23 BURNER SWITCH 24 CALL SERVICE String Code String 25 CIRCUIT FAULT 26 COMB PRESSURE 27 CONTROL ON 28 DELAYED MV ON 29 DEVICE SPECIFIC 30 EA HOLD MESSAGES 31 UNKNOWN STATE 32 FLAME AMP TYPE 33 FLAME AMP SHUTR 34 FLAME AMPLIFIER 35 FLAME DETECTED 36 FLAME TOO STRONG 37 FLAME OU...

Page 60: ...2 Run Test Switch RUN 113 Run Test Switch TEST 114 Operator Control T6 0 String Code String 115 Operator Control T6 1 116 Interlock T7 0 117 Interlock T7 1 118 Airflow Interlock T7 0 119 Airflow Interlock T7 1 120 Block Intake T7 0 121 Block Intake T7 1 122 Valve T8 0 123 Valve T8 1 124 Intrptd PV T8 0 125 Intrptd PV T8 1 126 Main Valve T9 0 127 Main Valve T9 1 128 Ignition T10 0 129 Ignition T10 ...

Page 61: ...8 MAIN VALVE1 T9 0 199 MAIN VALVE1 T9 1 200 VP SWITCH T16 0 String Code String 201 VP SWITCH T16 1 202 MAIN VALVE2 T17 0 203 MAIN VALVE2 T17 1 204 INTRUPTD PV T21 0 205 INTRUPTD PV T21 1 206 DELAYED MV T21 0 207 DELAYED MV T21 1 208 START SW T21 0 209 START SW T21 1 210 VP START 211 VP MV2 ON 212 VP LOW DLY 213 VP LOW TST 214 VP MV1 ON 215 VP HIGH DLY 216 VP HIGH TST 217 VP SETUP NEEDED 218 MAIN V...

Page 62: ... 36 52 FAULT 52 CALL SERVICE 24 53 FAULT 53 LOCKOUT SWITCH 55 54 FAULT 54 COMB PRESSURE 26 55 FAULT 55 PURGE FAN SW ON 91 56 FAULT 56 BLOCK INTAKE 20 57 FAULT 57 PURGE FAN SW OFF 90 58 FAULT 58 COMB PRESS FLAME 26 Fault Code Reg 40001 Fault Message NOTE FAULT n is not in the Fault and Strings Code Fault String Code Table 21 59 FAULT 59 CALL SERVICE 24 60 FAULT 60 CALL SERVICE 24 61 FAULT 61 MV1 OF...

Page 63: ...EA 43 193 FAULT 29g BOTH FUELS SE LECTEA 21 194 FAULT 29f FUEL SELECT OFFEA 38 195 FAULT 29e AUX LIMIT 3EA 19 196 FAULT 29d HIGH LIMITEA 42 Fault Code Reg 40001 Fault Message NOTE FAULT n is not in the Fault and Strings Code Fault String Code Table 21 197 FAULT 29c LWCOEA 63 198 FAULT 29b AUX LIMIT 2EA 18 199 FAULT 29a AUX LIMIT 1EA 17 200 FAULT 23s OTHER INTERLOCK SEA 74 201 FAULT 23r AUX INTERLO...

Page 64: ...ULT 21m ATOMIZING SWEA 14 243 FAULT 21k LOW OIL TEMPEA 62 244 FAULT 21j HIGH OIL TEMPEA 44 245 FAULT 21i LOW OIL PRESSU REEA 61 246 FAULT 21h HIGH OIL PRESSU REEA 43 247 FAULT 21g BOTH FUELS SE LECTEA 21 248 FAULT 21f FUEL SELECT OFFEA 38 249 FAULT 21e AUX LIMIT 3EA 19 250 FAULT 21d HIGH LIMITEA 42 251 FAULT 21c LWCOEA 63 252 FAULT 21b AUX LIMIT 2EA 18 Fault Code Reg 40001 Fault Message NOTE FAULT...

Search results

Summary of Contents for 7800 SERIES

Reviews:

Honeywell 7800 SERIES, Product Data, Page: 63 / 64

Search results

Summary of Contents for 7800 SERIES

Reviews: