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11 

TROUBLESHOOTING GUIDE

 

 

PROBLEM 

POSSIBLE CAUSE 

Heat does not come on when 
thermostat is turned on. 

Thermostat is bad.   

Pilot burner not lit. 

Gas valve is bad. 

Pilot burner will not light. 

Obstructed pilot orifice. 

Pilot gas turned off at automatic pilot.   

Automatic pilot valve is bad.   

Pilot burner will not stay lit. 

Thermocouple is bad. 

Thermocouple is not hot enough. 

Obstructed or wrong size pilot orifice. 

Gas supply is not purged of air. 

Air is blowing pilot light out. 

Automatic pilot valve is bad. 

Fat appears to smoke excessively. 

Heat is set too high. 

Moisture in the food may be turning into steam. 

Food sticks to griddle. 

Heat is set too high. 

Griddle surface needs cleaning and/or seasoning. 

Surface under food may not have been covered with enough cooking 
oil. 

Food burned around edges or 
contains dark specks. 

Heat is set too high. 

Griddle surface needs cleaning and/or seasoning. 

Surface under food may not have been covered with enough cooking 
oil. 

Food is undercooked inside. 

Heat is set too high. 

Food may not have been cooked for long enough time. 

Food tastes greasy or has 
objectionable off-flavor. 

Food itself may have off flavor. 

Food may have been stored improperly before cooking. 

Too much griddle fat used. 

Heat is set too low. 

Noticeable build-up of gum on griddle. 

Heat is set too high 

Griddle surface needs cleaning and/or seasoning. 

Too much griddle fat used. 

 

Summary of Contents for GGM -24i

Page 1: ... Parts this information is required Model Number Serial Number Date Purchased FOR YOUR SAFETY Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WARNING Improper installation operation service or maintenance can cause property damage injury or death Read and understand these instructions thoroughly before positioning installing maintai...

Page 2: ...it s individual shutoff valve to be supplied by user must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of psi 3 45 kPa The appliance must be isolated from the gas supply piping system by closing it s individual manual shut off valve during any pressure testing of the gas supply piping system at test pressures equal to or l...

Page 3: ...its operation is fully trained and is aware of all precautions Accidents problems can result by a failure to follow fundamental rules and precautions The following words and symbols found in this manual alert you to hazards to the operator service personnel or the equipment The words are defined as follows DANGER This symbol warns of imminent hazard which will result in serious injury or death WAR...

Page 4: ...6 915 26 661 17 3 4 451 3 25 000 7 3 75 000 22 6 10 15 25 GGT 48i 48 1220 26 661 17 3 4 451 4 25 000 7 3 100 000 29 3 6 10 15 25 GGM 18i 18 457 26 661 17 3 4 451 1 37 500 11 37 500 11 6 10 15 25 GGM 24i 24 610 26 661 16 3 4 426 2 25 000 7 3 50 000 14 6 6 10 15 25 GGM 36i 36 915 26 661 16 3 4 426 3 25 000 7 3 75 000 22 6 10 15 25 GGM 48i 48 1220 26 661 16 3 4 426 4 25 000 7 3 100 000 29 3 6 10 15 2...

Page 5: ... 5440 PART 2 BS 6891 THIS APPLIANCE MUST BE INSTALLED IN ACCORDANCE WITH THE RULES IN FORCE MUST BE INSTALLED IN A WELL VENTILATED AREA Ventilation requirements ie B S 5440 LIGHTING INSTRUCTIONS GGT and GGM Griddles are furnished with either a pilot safety valve or a standing pilot not available in the European Community Please follow the instructions for your unit Pilot Safety Valve Lighting Inst...

Page 6: ...he unit Wherever possible avoid open windows next to the units sides or back Avoid wall type fans which create air cross currents within a room It is also necessary that sufficient air should be allowed to enter the room to compensate for the amount of air removed by any ventilating system Otherwise a subnormal atmospheric pressure will occur which will effect operation and cause undesirable worki...

Page 7: ...t may be used on the plate surface to help clean it but care must be taken to be sure the detergent is thoroughly removed After removal of the detergent the surface of the plate should then be covered with a thin film of oil to prevent rusting Clean stainless surfaces with a damp cloth and polish with a soft dry cloth To remove discoloration use a nonabrasive cleaner After each weekly cleaning the...

Page 8: ...es to the size recommended for propane L P For units with a pilot safety valve you must also change the pilot orifice to the other pilot orifice supplied 4 Replace the orifice fittings into the valve 5 Replace the front panel and knobs 6 Before installing the regulator unscrew the octagonal cap With the brass portion of the cap up you can read NAT on the plastic insert Snap the insert out of the c...

Page 9: ... 10 to the right and for the 48 GGT repeat this twice more 10 to the right always remaining 10 5 8 from the splash guard After all locations are marked center the temperature probe on each marked location and then trace a circle around the probe This procedure will place the temperature probe over the center of each thermostat bulb and this is the only place temperature readings should be taken Se...

Page 10: ...crease the temperature approximately 24ºF turn counterclockwise will increase the temperature approximately 24ºF Adjust and re measure the average temperature until you get the temperature to your desired point NOTE avoid making more than turn at a time Calibration is not linear and you can get the thermostat significantly out of calibration to a point where it is difficult to reset If after adjus...

Page 11: ...ning into steam Food sticks to griddle Heat is set too high Griddle surface needs cleaning and or seasoning Surface under food may not have been covered with enough cooking oil Food burned around edges or contains dark specks Heat is set too high Griddle surface needs cleaning and or seasoning Surface under food may not have been covered with enough cooking oil Food is undercooked inside Heat is s...

Page 12: ...12 PARTS LISTS EXPLODED VIEWS GGM GRIDDLES EXPLODED VIEW ...

Page 13: ...210 17 Support Burner 48 2 39 8837129 Label Instr location 1 11 2066844 Orfice 44 Varies 40 8832600 Label Service Hotline 1 12 8417100 Nut Hex KEPS 10 32 Varies 41 8837130 Decal Oper Instr 1 13 2065643 Valve Pilot 90 1 8NPT X 3 16CC GGM 18 Varies 42 2067300 Regulator Convertible 3 4 PSIG 1 2068001 Pilot Valve GGM 24 36 48 Varies 43 8809920 Decal Improper Install 1 14 21813075 Burner S 1 44 8825300...

Page 14: ...14 GGT GRIDDLES EXPLODED VIEW ...

Page 15: ...00 T S 10 X TPB Tr Hd 4 15 21821915 Manifold GGT 18H 1 53 43813149 Label Warning Hot Surface French 1 21822029 Manifold GGT 24H Varies 54 21821920 Bracket Pilot Top T Pile GGT 18 1 21822130 Manifold GGT 36H 1 21814036 Bracket Pilot GGT 24 36 48 1 21822029 Manifold GGT 48H 1 55 8861000 Label Spec 1 15 21821930 Manifold GGT 18H Pilot Safety 1 56 43813103 Label Warning Hot Surface 1 21822030 Manifold...

Page 16: ... Wyott s option or its Authorized Service Agency it will be serviced on site or replaced From day two through the conclusion of this warranty period portable units must be taken to or sent prepaid to the APW Wyott Authorized Service Agency for in warranty repairs No mileage or travel charges are allowed on portable units after the first day of use If the customer wants on site service they may rec...

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