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5 

Fault Finding 

14 

© 

Moffat Ltd, August 2012 

Revision 3 

Moffat Cobra Series CS9 - Gas Salamander 

Fault 

Possible Cause 

Remedy 

Main burners will not light. 

Wrong size or blocked injectors. 

 

 

Incorrect gas supply pressure. 

 
 

Faulty gas control valve. 

 

Replace / clean the main injectors. 

(Refer service section 6.2.3) 

 

Check gas supply pressure is  

correct. 

 

Replace the gas control valve. 

(Refer Service Section 6.2.4)

 

Lack of glowing. 

Large haze beneath burner 

Incorrect gas supply pressure. 

Check the gas pressure at the 

pressure test point. 

Burner popping / blow back 

Gas leak in main burner plaque. 

(Refer Fault Diagnosis 5.2.2)

 

Replace main burner. 

(Refer Service Section 6.2.2)

 

Burner flame incorrect colour / 

flame not stable 

Incorrect supply pressure. 

 

 

Incorrect main burner injector siz-

es. 
 

 

Main burner injector blocked. 

 

Check gas supply pressure is  

correct. 

 

Check main burner injector sizes 

and replace if necessary. 

(Refer service section 6.2.3) 

 

Clean main burner injector. 

(Refer service section 6.2.3) 

Burner goes ‘Out’ when set to ‘Lo’.  Low Fire rate set too low. 

 

Faulty Thermocouple. 

 

Faulty magnet in Gas Valve. 
 

Draft at installation is blowing out 

burner. 

Adjust Low Fire rate. 

 

Replace. 

 

Replace. 
 

Minimise drafts or re-locate  

appliance to more suitable  

location. 

Burner goes ‘Out’ when Gas  

Control released. 

Not holding gas knob ‘In’ for long 

enough. 

 

Low gas pressure. 

 
Faulty Thermocouple. 

 

Faulty magnet in Gas Valve. 

Hold gas knob ‘In’ for at least 10 

seconds. 

 

Check / adjust. 

 

Replace. 

 

Replace. 

5.1    Fault Finding Chart 

C

AUTION

: 

 

All installation and service repair work must be carried out by qualified  
persons only. 

Содержание CS9

Страница 1: ... Moffat Ltd August 2012 Revision 3 Moffat Cobra Series CS9 Gas Salamander Service Manual Gas Salamander Model CS9 ...

Страница 2: ...al that should never require to be adjusted but for completeness and those special cases where these settings are required to change this manual gives a full explanation as to how and what effects will result WARNING ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED OUT BY QUALIFIED PERSONS ONLY IMPROPER INSTALLATION ADJUSTMENT ALTERATION SERVICE OR MAINTENANCE CAN CAUSE PROPERTY DAMAGE INJ...

Страница 3: ... Finding 14 5 1 Fault Finding Chart 5 2 Fault Diagnosis 6 Service Procedures 16 6 1 Access 6 2 Replacement 6 3 Adjustment Calibration 7 Accessories 21 7 1 CS9 Cobra Salamander Accessories 7 2 CS9 Cobra Salamander Gas Conversion Kits Index 8 Exploded Parts Diagrams 22 8 1 CS9 Cobra Salamander Main Assembly 8 2 CS9 Cobra Salamander Gas Assembly 9 Service Contacts 24 Appendix A Mounting Hole Location...

Страница 4: ... Moffat Ltd August 2012 Revision 3 Moffat Cobra Series CS9 Gas Salamander ...

Страница 5: ...1 1 Specifications Moffat Ltd August 2012 Revision 3 Moffat Cobra Series CS9 Gas Salamander Model Numbers Covered in this Specification CS9 Cobra Gas Salamander External Dimensions ...

Страница 6: ...eight Net Width Depth Height CS9 Salamander 685mm 330mm 230mm at front Natural Gas LPG Butane Input Rating N H G C 31 5 MJ hr 31 5 MJ hr 29 850 BTU 29 850 BTU Supply Pressure 1 13 3 40 kPa 2 75 4 50 kPa 4 5 13 5 w c 11 18 w c 1 0 kPa 2 55 kPa 4 0 w c 10 0 w c Gas Connection 1 2 BSP Male Operating Pressure Town Gas 40 0 MJ hr 41 700 BTU 0 76 1 50 kPa 3 6 w c 0 63 kPa 2 5 w c Gas Supply UK models Na...

Страница 7: ...ions shown in this section will void the warranty Components having adjustments protected e g paint sealed by the manufacturer are only allowed to be adjusted by an qualified service person They are not to be adjusted by the installation person Unpacking Remove all packaging and transit protection from the appliance including all protective plastic coating from the exterior stainless steel panels ...

Страница 8: ...s not mounted under an extraction hood the installer must ensure that all regulations are met and that there is an unobstructed minimum distance of 750mm from the top surface of the unit to the ceiling which must be of non combustible material NOTE Do not obstruct or block the appliances flue Never directly connect a ventilation system to the appliance flue outlet Clearances NOTE Only non combusti...

Страница 9: ...black plastic spacers to the top rear corners of the unit Leave them unscrewed by approximately 5mm 3 Fit the two adjusting screws bolts into the nutserts at the bottom rear corners of the unit These should protrude approximately 30mm from the rear of the Salamander 4 Lift the Salamander onto the wall bracket lining up the black plastic spacers on the salamander with the mounting notches in the br...

Страница 10: ...ized piping runs directly to the connection joint on the appliance with as few tees and elbows as possible to give maximum supply volume 3 Fit the gas regulator supplied into the gas supply line as close to the appliance as possible NOTE The burner operating pressure is to be measured at the manifold test point with both burners operating at the High Flame setting NAT LPG Butane Only The operating...

Страница 11: ...ing functions in accordance with the operating instructions specified in the Operation section of the User manual Light the Main Burners Check the Low Fire burner operation Check the High Fire burner operation Check the Racking System operation b Ensure that the operator has been instructed in the areas of correct lighting operation and shutdown procedure for the appliance 2 The User manual must b...

Страница 12: ...ther Each burner is provided with a manually lit pilot burner and flame failure protection Rack Handles 3 2 Operation Lighting the Main Burners 1 Rotate the control knob anti clockwise to the position marked HIGH 2 Manually light the main burner hold the gas control knob depressed for ap prox 10 15 secs then release 3 Once lit the main burner will be burning at full rate For a lower heat push in t...

Страница 13: ...e electromagnet holds the plunger inside the gas valve in the open position The plunger has to be pushed all the way in for the electromagnet to be able to hold it in place If the main burner flame goes out for some reason the thermocouple will cool after about 10 to 30 seconds and stop generating millivolts The electromagnet will then de energize and the plunger will snap shut cutting off the flo...

Страница 14: ...t in i e the electro magnet is strong enough to hold the plunger in once there but is not strong enough to pull it in by itself Sometimes a problem with the flame not staying lit after releasing the button can be attributed to the plunger not being pushed all the way in Electromagnetic Flame Failure Gas Valve The purpose of the safety valve is to shut off the flow of gas if the main flame goes out...

Страница 15: ...if fitted Slide the rack out of the side racks and remove from the unit Remove the left and right hand side racks from the unit by removing the single securing screw from each of the side racks Withdraw the left and right hand side racks from the unit Refit the racking in the reverse order once cleaning has been completed Stainless Surfaces Clean with detergent Baked on deposits or discolouration ...

Страница 16: ...uring the control panel to the hob Remove the control panel from the front of the appliance Remove the 2 screws holding shaft plate to gas control body of the valve and remove control shaft and plate Note orientation of shaft for correct re assembly Using needle nose pliers or similar pull out gas control spindle again noting its orientation Apply a suitable high temperature gas cock grease or lub...

Страница 17: ... to figures shown on rating plate Pressure _____ kPa 3 Inspect burner ceramic plaques for signs of cracking 4a Inspect thermocouples 4b Replace thermocouples every 12 months 5 Check injectors are clean and free from blockages 6 Re grease gas cocks 7 Check for tightness of gas connections 8 Check for gas leaks 9 Check the piezo ignition functions correctly Service Comments Additional work repairs r...

Страница 18: ...r flame not stable Incorrect supply pressure Incorrect main burner injector siz es Main burner injector blocked Check gas supply pressure is correct Check main burner injector sizes and replace if necessary Refer service section 6 2 3 Clean main burner injector Refer service section 6 2 3 Burner goes Out when set to Lo Low Fire rate set too low Faulty Thermocouple Faulty magnet in Gas Valve Draft ...

Страница 19: ...and whilst holding the control knob in and measure voltage between the thermocouple and earth e g the body of the gas control This should read approximately 30mV If this reading is less than 10mV then the thermocouple is faulty replace Gas Valve Electromagnet Faulty If thermocouple milli voltage is above 10mV and the burner still will not hold then the gas electro magnet is faulty replace 5 2 2 Bu...

Страница 20: ...urner Injectors 18 6 2 4 Gas Control Valve 18 6 2 5 Gas Control Valve Electro Magnet 19 6 3 Adjustment Calibration 20 6 3 1 Gas Control Valve Re Greasing 20 6 3 2 Low Fire Screw Adjustment 20 WARNING ENSURE THAT THE GAS SUPPLY IS SWITCHED OFF BEFORE COMMENCING SERVICING ALWAYS CHECK TEST FOR GAS LEAKS ON COMPLETION OF SERVICING REPAIRS ON THE GAS SYSTEM CAUTION All installation and service repair ...

Страница 21: ...ve from the salamander Figure 6 1 2 Two screws 1 Remove the side panel Refer Item 6 1 2 2 Unscrew the thermocouple from the side panel of the salamander and withdraw the thermo couple from the burner area 3 Unscrew the thermocouple from the rear of the gas valve and remove the thermocouple from the salamander 4 Replace and re assemble the thermocouple in reverse order Figure 6 2 1a IMPORTANT WHEN ...

Страница 22: ...rner and re assemble in reverse order Two Screws 6 2 3 Main Burner Injectors 1 Remove the side panel Refer Item 6 1 2 2 Unscrew and remove the main burner injector Figure 6 2 3 3 Clean or replace injector and re assemble in reverse order NOTE It is important that the injector aligns centrally with the burner venturi Injector 6 2 4 Gas Control Valve Figure 6 2 4 1 Remove the side panel Refer Item 6...

Страница 23: ... Gas Control Valve Electro Magnet 1 Remove side panel Refer Item 6 1 1 2 Unscrew the thermocouple from the rear of the gas control valve 3 Remove the rear nut from the gas control valve 6 Extract the gas control valve electro magnet 7 Replace and re assemble in reverse order Gas Control Valve Electro Magnet Rear Nut ...

Страница 24: ...ease or lubricant such as ROCOL A S P Anti scuffing paste to the outside of the spindle Figure 6 3 1a Spindle Figure 6 3 1b Two Screws Figure 6 3 2 6 3 2 Low Fire Screw Adjustment 1 Light the burner and turn the control to the low flame position 2 Pull off the gas control knob 3 Adjust low fire screw located at the top left of the gas valve to achieve an even low burn across the burner The recomme...

Страница 25: ...O CONVERSION KIT CS9 SALAMANDER LPG Propane 231552 Nat Gas 231551 Butane 232081 Town Gas 232082 AU UK and Export Models Only NOTE Gas Regulators Town Gas Kits include special Town Gas Regulator which is required to be installed as per the instructions supplied LPG NAT BUTANE kits do not include regulator as it is an universal regulator convertible between the LPG Butane and Natural gases originall...

Страница 26: ...27490 CONTROL PANEL 8 026091 TRAY SUPPORT 9 026089 FLUE END LH 10 013908 SPACER ASSEMBLY 24 026093 SIDE RACK WA SALAMANDER 25 227961 SIDE RACK SCREW 26 013395 RACK HANDLE 27 017963 RACK 28 231546 DRIP TRAY 29 013418 BRANDING PLATE OPTIONAL EXTRA 231551 GAS CONVERSION KIT CS9 NAT 231552 GAS CONVERSION KIT CS9 LPG PROPANE 232081 GAS CONVERSION KIT BUTANE 232082 GAS CONVERSION KIT TOWNS GAS RPL D D D...

Страница 27: ...ATOR 1 2 CONVERTABLE 18 026077 BURNER RETAINING CHANNEL 19 026123 BURNER GUARD 20 034115 INJECTOR 1 15 mm LPG PROPANE 034185 INJECTOR 1 85mm NAT GAS 032350 INJECTOR 3 50mm TOWNS 034110 INJECTOR 1 10mm BUTANE 21 230695 KNOB SALAMANDER 22 019430 GAS CONTROL PINTOSSI 20S B 019574 BYPASS SCREW 1 0mm 018790 GAS MAGNET PART OF ITEM 22 23 230671 THERMOCOUPLE 500MM c w M8 NUT 024573 M8 NUT PART OF ITEM 23...

Страница 28: ...ng QLD 4034 Spare Parts Free Call 1800 337 963 Fax 03 9518 3895 WESTERN AUSTRALIA MOFFAT PTY 67 Howe St Tel 08 9202 6820 Osbourne Park WA 6017 Fax 08 9202 6836 Spare Parts Free Call 1800 337 963 Fax 03 9518 3895 NATIONAL COVERAGE FOR 24 HOUR SERVICE OR MAINTENANCE DIAL FREE CALL 1800 622 216 AUSTRALIA ONLY Canada SERVE CANADA 22 Ashwarren Rd Tel 416 631 0601 Downview Fax 416 631 0315 Ontario M3J1Z...

Страница 29: ...L LTD Units 67 Gravely Industrial Park Tel 0121 327 5575 Gravely Park Erdington Fax 0121 327 9711 Birmingham B24 8TQ England United States of America MOFFAT INC 3765 Champion Blvd Winston Salem Tel 1800 551 8795 NC27115 Fax 336 661 9546 NATIONAL COVERAGE FOR SERVICE OR MAINTENANCE DIAL FREE CALL 1800 551 8795 USA ONLY ...

Страница 30: ... 26 Moffat Ltd August 2012 Revision 3 Moffat Cobra Series CS9 Gas Salamander All dimensions are shown in millimetres All mounting holes are threaded 3 8 BSW Mounting Hole Locations 808 206 80 772 325 Base View Rear View 808 206 80 325 772 ...

Страница 31: ...ont bottom corner 4 Replace with the correct size injectors Low Fire Adjustment 1 Remove the gas control knobs from the front of the unit 2 Remove the 2 front control panels by removing the two screws per panel located at the bottom of each panel 3 Set the burner low fire adjustment The low fire screw on the gas control valve should be screwed fully in then unscrewed by the measurement shown in th...

Страница 32: ...f the pin once re fitted to the cap 4 Screw the cap back into the regulator hand tight only Town Gas Only 1 Unscrew and remove the slotted cap from the regulator 2 Turn on the gas supply and the appliance 3 Adjust the pressure djusting nut to achieve the correct burner operating pressure NOTE The operating pressure to be measured at the manifold test point and with both burners operating at the Hi...

Страница 33: ...at the High Flame setting NAT LPG Butane Only The operating pressure is ex factory set and is not to be adjusted apart from when converting between gases if required TOWN GAS Only The burner operating pressure is to be adjusted using the adjustable gas regulator supplied Refer to the Gas Conversion and Specifications section of this manual for further details WARNING DO NOT USE A NAKED FLAME TO CH...

Страница 34: ...C Appendix C Equipment Design Changes 30 Moffat Ltd August 2012 Revision 3 Moffat Cobra Series CS9 Gas Salamander Change Info Equip Ser No Description of Change Date Equipment Design Changes ...

Страница 35: ......

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