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Enviro DEXEN 8K1N, Руководство по устранению неисправностей, Страница: 21 / 26

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21

Scenario #5

p

roblem

: p

iloT

 

liGhTs

, 

sTops

 

sparkinG

, 

and

 

piloT

 

remains

 

liT

. b

Urner

 

will

 

noT

 

liGhT

Possible Causes:
1�  Faulty module�
2�  Faulty valve�

*Note*

•  Disconnect power to the system prior to disconnecting any components by switch the ON/OFF/

REMOTE module switch to the OFF position�

•  It is not recommended to operate the ignition control module with disconnected wire connec-

tions� A short could cause permanent damage�

•  Applying a false flame to the pilot sensor (i�e� lighter etc�) will cause the module to go into lock-

out mode� This is due to a safety feature�

Volts DC

1.6V to open valve

0.3V to keep valve open

Black

 probe to body of 

valve.

Red

 probe to green wire 

connected to valve. Pull wire 

slightly away from connector 

to touch connector

Check the voltage to the burner solenoid by connecting a multi-meter to the valve as shown in Fig-

ure 25 below� This test should be performed during the lighting sequence�

Figure 25: Dexen Valve - Burner Solenoid Valve

1. f

aUlTy

 m

odUle

 (b

Urner

 s

olenoid

)

Содержание DEXEN 8K1N

Страница 1: ...1 Version Française www enviro com fr html PLEASE KEEP THESE INSTRUCTIONS FOR FUTURE REFERENCE 50 4252 Dexen Valve System DEXEN TROUBLESHOOTING MANUAL For authorized gas technicians use only ...

Страница 2: ...Mode 8 Scenario 1 9 Problem Pilot won t light no noise and no spark 9 Scenario 2 13 Problem The module makes noise but no spark 13 Scenario 3 15 Problem Pilot sparks but pilot will not light 15 Scenario 4 18 Problem Pilot lights but continues to spark and main burner will not ignite 18 Scenario 5 21 Problem Pilot lights stops sparking and pilot remains lit Burner will not light 21 Scenario 6 22 Pr...

Страница 3: ... to service appliances which you are not qualified to service Service attempted by unqualified persons could result in the risk of bodily injury and property damage Questions for the Fireplace Owner Before following any troubleshooting steps in this guide ask the owner a few questions to help establish what the issue is What are the symptoms When does the problem occur How long has the appliance b...

Страница 4: ... batteries Auxiliary Module AUX300 Gas Flow Gas to Burner Pilot Out Pilot In AUX1 HOT AUX1 NEUT AUX2 HOT AUX2 NEUT MH3V Gas Valve 8K1N Ignition Control Module AUX300 Auxiliary Control Module Flame Sensor EV2 EV1 GND Battery Battery Battery Pack 4 X AA 6VDC Power Supply RC300 Remote Control Dexen 8K1N Complete IPI System Wall Switch Unused FAN AUX1 EMBER LIGHTS AUX2 TOP LIGHT S POWER VENT Spark Ign...

Страница 5: ...REMOTE position for wireless remote control to work 2 The control module communicates to and from the remote control via radio frequency They must remain within 30 feet of each other When in thermostat mode signal transmission occurs 60 seconds AUX300 Module controls the comfort fan with an incorporated timer and rheostat The AUX300 module also controls the two possible auxiliary functions AUX1 Em...

Страница 6: ...re connected to each auxiliary function are unit dependent 4 Fuel Setting Switch The factory default setting is Natural Gas but it must be converted if the fireplace is to use propane This switch does not regulate gas pressure to the valve but instead adjusts the control module settings for proper flame modulation Take care when adjusting the switch Use of a plastic screwdriver is recommended Note...

Страница 7: ...r fail to correctly operate the valve will still function but without flame modulation 5 Main Burner Solenoid Green in colour The main burner solenoid gets changed out when the unit is converted to Propane along with attached stepper motor A conversion kit is signified with a stamp of the pressure rating 6 4 10 along the side of the main burner solenoid See Figure 6 NOTE The stepper motor regulato...

Страница 8: ...s sparking and pilot remains lit Burner will not light Scenario 6 Power outage fireplace will not turn on 1 Turn switch to OFF 2 Wait 5 seconds 3 Turn to ON Lockout Mode Red Green Flashing Light Lockout Mode In many cases the diagnostic light on the control manual will flash a code to assist with trouble shooting A code chart can be found at the end of this manual on page 23 The module will then g...

Страница 9: ...mponents by switch the ON OFF REMOTE module switch to the OFF position It is not recommended to operate the ignition control module with disconnected wire connec tions A short could cause permanent damage Applying a false flame to the pilot sensor i e lighter etc will cause the module to go into lock out mode This is due to a safety feature 1 Control Module Selector Switch Not Set Properly The sel...

Страница 10: ...f all wiring supplying the voltage within the system Use the wiring diagram see below in Figure 9 Figure 9 System Wiring Diagram 3 Optional Wall Switch Used Wired incorrectly Check the connection and continuity of the red and brown wire circuit if an optional wall switch has been used see figure 10 From the factory the brown is left unused and the red wire is connected to the battery backup Note W...

Страница 11: ...e voltage across the junction box using a multi meter The location of the junction box is dependent on the unit It should read between 110 120 VAC If there is no power from the junction box trace the electrical supply to the junction box checking for proper wiring and continuity If there is power from the junction box check the power from the 6VDC power supply Discon nect the 6VDC from the control...

Страница 12: ...aced Switch to OFF Wait 5 seconds Switch to ON Light blinks red twice means insufficient voltage from ignition coil to pilot flame igniter Figure 14 Fuel Setting Switch 7 Fuel Setting Switch on Module Damaged or Not Fully Engaged LP NG Check that the fuel setting switch is not damaged and that it is properly engaged to the correct set ting See Figure 13 Figure 14 below Lift face plate using small ...

Страница 13: ...ighter etc will cause the module to go into lock out mode This is due to a safety feature 1 Loose or Improper Wiring Gas Flow Gas to Burner Pilot Out Pilot In AUX1 HOT AUX1 NEUT AUX2 HOT AUX2 NEUT MH3V Gas Valve 8K1N Ignition Control Module AUX300 Auxiliary Control Module Flame Sensor EV2 EV1 GND Battery Battery Battery Pack 4 X AA 6VDC Power Supply RC300 Remote Control Dexen 8K1N Complete IPI Sys...

Страница 14: ...then goes into lockout mode red green flashing light the igniter wire may be loose or disconnected Ensure the connection between the igniter wire and the control module See Figure 17 below for locations of wire connection to control module If the igniter attempts to light for 60 seconds before the module times out flashes a green light three times and goes into lockout mode the igniter may be shor...

Страница 15: ...nnections A short could cause permanent damage Applying a false flame to the pilot sensor i e lighter etc will cause the module to go into lock out mode This is due to a safety feature 1 Gas Supply Ensure that all valves in the gas supply line are open and purged of air Check the valve inlet and manifold pressures using a manometer The valve inlet and manifold taps are shown in Figure 18 below The...

Страница 16: ...continuity of the gas supply line to the pilot assembly Ensure the pilot assembly is free from any obstructions and debris 2 Faulty Module Voltage to Valve Volts DC 1 2V to open valve 0 3V to keep valve open Black probe to body of valve Red probe to orange wire connected to valve Pull wire slightly away from connector to touch connector Check the voltage to the pilot solenoid by connecting a multi...

Страница 17: ...o 65 To check the pilot and burner solenoids disconnect the wires from the valve Adjust the multi meter to read Ohms and measure the resistance between the pilot burner solenoid and the body of the valve Refer to Figure 20 for probe locations and approximate readings of the multi meter Figure 20 Dexen Valve Pilot Burner Solenoid ...

Страница 18: ...ion control module with disconnected wire con nections A short could cause permanent damage Applying a false flame to the pilot sensor i e lighter etc will cause the module to go into lock out mode This is due to a safety feature 1 Gas Supply Ensure that all valves in the gas supply line are open and purged of air Check the valve inlet and manifold pressures using a manometer The valve inlet and m...

Страница 19: ... sensor wire may be loose or disconnected Ensure the connection between the sensor wire and the control module See Figure 22 below for locations of wire connection to control module Figure 22 Control Module Loose or Disconnected Sensor Wire Natural Gas NG Propane LP Inlet Pressure MAX 7 inch W C 1 74 kPa MAX 11 inch W C 2 74 kPa MIN 4 5 inch W C 1 12 kPa MIN 10 4 inch W C 2 59 kPa Manifold Pressur...

Страница 20: ... meter in the Ohm Ω setting see Figure 23 below Figure 23 Pilot Sensor Continuity Scenario 4 4 Faulty Valve Pilot Solenoid Pilot Solenoid Should read between 37 to 47 Burner Solenoid Should read between 55 to 65 To check the pilot and burner solenoids disconnect the wires from the valve Adjust the multi meter to read Ohms and measure the resistance between the pilot burner solenoid and the body of...

Страница 21: ... cause permanent damage Applying a false flame to the pilot sensor i e lighter etc will cause the module to go into lock out mode This is due to a safety feature Volts DC 1 6V to open valve 0 3V to keep valve open Black probe to body of valve Red probe to green wire connected to valve Pull wire slightly away from connector to touch connector Check the voltage to the burner solenoid by connecting a...

Страница 22: ...y backup Note during a power outage AUX1 AUX2 and Fan functions will not be operational Possible Causes 1 Loss of remote signal When the fireplace looses power while in operation it may not automatically turn back on even though the remote will still be ON Press the power button on the remote once to turn it off then again to turn the fireplace back ON 2 Dead Batteries Remove the batteries from th...

Страница 23: ...es sure to the gas line 2 Verify that pilot leads are correctly terminated to the control module and that no shorted wires exist 3 Verify that the pilot sense rod igniter rod and hood are clean Table 3 Control Module Diagnostic Code Troubleshooting LED Signal Item Continue time Checking Criteria Red LED Flash 1 time LPG NAT Switch Failure 1 Sec LPG NAT switch adjusted during com bustion Red LED Fl...

Страница 24: ...Conversion Stepper Motor Kit 50 4148 Dexen LP to NG Conversion Stepper Motor Kit 50 4149 Table 5 Dexen Replacement Parts Gas Flow Gas to Burner Pilot Out Pilot In AUX1 HOT AUX1 NEUT AUX2 HOT AUX2 NEUT MH3V Gas Valve 8K1N Ignition Control Module AUX300 Auxiliary Control Module Flame Sensor EV2 EV1 GND Battery Battery 6VDC Power Supply RC300 Remote Control Wall Switch Unused FAN AUX1 EMBER LIGHTS AU...

Страница 25: ...25 Notes ...

Страница 26: ...26 MANUFACTURED BY SHERWOOD INDUSTRIES LTD 6782 OLDFIELD RD SAANICHTON BC CANADA V8M 2A3 www enviro com Winter 2021 C 16388 ...

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