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INSTRUCTION REF: IN166 
ISSUE NO. 6 
DATE  - 21.03.16 
Page 11 of 24 

 

www.parry.co.uk 

FAULT FINDING 
 

FAULT 

POSSIBLE CAUSE 

REMEDY 

HOB 

 

 

Incorrect flame picture, 
flame lift or noisy burner 
 

Incorrect burner pressure, 
Blocked or partially blocked 
injector. 
Inadequate ventilation. 
Burner faulty/corroded/blocked 

Check/adjust burner pressure 
Check /clean injector, 
Check ventilation. 
Check / clean burner and 
replace as necessary. 

Burners will not stay 
alight 

Faulty connection at 
thermocouple-valve, incorrectly 
located 

Remake connection, 
reposition thermocouple 

Burner goes out when 
turned to “low” 
 

Blockage in tap 

Clean and re-grease 

Irregular flame 

Burner ring/cap not correctly 
located, or low pressure 

Relocate and check pressure 
at test point. 

OVEN 

 

 

Failure to ignite 
 

Dirt or grease broken or loose 
connection 
 

Clean reconnect / replace 
H.T.Lead 

 

Incorrect spark gap 

Set gap 3-4mm 

Burner fails on low rate 

Loose Thermocouple 
 

Replace 
 

 

Faulty Magnet in F.F.D. 

Replace thermostat 

Burner fails on low rate 

Thermocouple out of position. 

Reposition 

 

Summary of Contents for P4BO

Page 1: ...TION INSTRUCTIONS OPERATION INSTRUCTIONS MAINTENANCE INSTRUCTIONS CONVERSION INSTRUCTIONS FAULT FINDING TECHNICAL DATA PARTS LIST SPARES LIST WARRANTY INFORMATION Customer Information MODEL NUMBER ___...

Page 2: ...ONS and the NATIONAL REGULATIONS in force at the time Particular attention should be paid to the Gas Safety Installation and Use Regulations and the Health and Safety at Work Act Each appliance requir...

Page 3: ...ance is suitable for gas supply available During installation provision must be provided for combustion air to the appliance through base and rear of appliance This should not be blocked at any time T...

Page 4: ...vel on the shelf in the oven not on the hotplate All four castors are adjustable To alter the height of the unit loosen the locking grub screw with an M3 allen key Next turn the large nut on the wheel...

Page 5: ...recommended An approved armoured flexible pipe may be used in conjunction with a straining cable Before the appliance is commissioned the gas safety regulations require that all connections on the ga...

Page 6: ...factory combustion and the pan is stable as it sits on the finger of the pan support Operating the oven 1 To light oven open door turn oven knob to approximate gas mark 5 and hold tap knob in at the s...

Page 7: ...for professional use by qualified people only There are no user serviceable parts Users should be made aware and take into consideration the danger of opening the oven door when the cooking chamber i...

Page 8: ...sured in an empty oven MARK 1 2 3 4 5 6 7 8 9 C 130 150 170 185 203 220 240 260 280 F 266 300 338 365 397 428 464 500 536 USAGE PRODUCT GAS TEMP HIGH TEMP ROASTING MEAT OR POULTRY 6 OR 7 LOW TEMP ROAS...

Page 9: ...gas supply Examine and clean all burner and flame retention ports Using a combination of brushes remove dust and lint from within the primary air ports venture and burners Check the burner aeration t...

Page 10: ...ry cleaners must be used with care they are highly corrosive and may cause damage to surfaces and components The stainless outer panels require a wipe down with warm soapy water DO NOT USE SCOURING PA...

Page 11: ...Burners will not stay alight Faulty connection at thermocouple valve incorrectly located Remake connection reposition thermocouple Burner goes out when turned to low Blockage in tap Clean and re greas...

Page 12: ...of tap Undo locknut on burner mounting channel Assemble in reverse order OVEN THERMOSTAT Proceed as for hob tap Slide thermostat phial from housing inside oven Remove through hole in the top of the ov...

Page 13: ...enforced to run on the following gases only Nat Gas G20 20mbar 8 W G Nat Gas G25 25mbar 10 W G Must be converted by manufacturers only PLEASE NOTE This conversion must be carried out by a Gas Safe Reg...

Page 14: ...with all current regulations enforced to run on the following gases only Propane G31 37mbar 14 8 W G PLEASE NOTE This conversion must be carried out by a Gas Safe Registered Engineer This conversion...

Page 15: ...ated from the gas supply before commencing conversion Please note P4BO only has four hob burners Remove pan support and burner caps Lift off aluminium burner plates Remove the solid top plate Using an...

Page 16: ...16 of 24 www parry co uk Remove the tap knobs to allow the fascia to unclip Remove low rate screws in tap body and replace with low rate screw from the conversion kit Converting the oven burner Unscre...

Page 17: ...t out of the burner Replace jet with the jet for the required gas Tighten up the 15mm nut Unwind the bypass screw on the oven valve and replace with the bypass screw for the required gas Connect the u...

Page 18: ...0 W G 4 973 KW 16966 Btu h GAS RATE m h ft h lb h kg h NATURAL G20 0 588 M HR 20 765 FT HR PROPANE G31 0 178 M HR 6 286 FT HR 0 691 LB HR 0 313 KG HR G25 25mbar 0 612 M HR 21 613 FT HR BURNER LOW RATE...

Page 19: ...T NATURAL G20 20mb 8 W G 29 059 kW 99148 Btu h PROPANE G31 37mb 14 8 W G 24 493 kW 83571 Btu h G25 25mb 10 W G 26 146 kW 89211 Btu h GAS RATE m h ft h lb h kg h NATURAL G20 3 075 m h 108 593 ft h PROP...

Page 20: ...INSTRUCTION REF IN166 ISSUE NO 6 DATE 21 03 16 Page 20 of 24 www parry co uk PARTS LIST MODEL P4B0 Side View Top View...

Page 21: ...8 x2 12 New hob front pipe FLEXT500X8 x2 13 Control knob ULTKNOB2 x4 14 Door handle P6BOHANDLE x1 15 Oven burner P4BOBURNER x1 16 New oven valve OVENVALVE x1 17 New oven thermocouple THCP320ISP x1 18...

Page 22: ...arranty During the warranty period it is at Parrys discretion to repair or replace the equipment Warranty only applies if the equipment has been used in a professional manor following the manufactures...

Page 23: ...s arranged for service call and engineer refused access or customer not there No faults with the machine Setting up of equipment eg dishwasher detergents levelling and setting up of doors on a 6 burne...

Page 24: ...ove will be forwarded to the parties responsible for placing the call Failure to pay any warranty charges will result in the customers warranty been put on hold until the bill has been settled Any iss...

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