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English - 29

06

  TROUBLESHOO

TING AND ERROR CODE

Smoke and bad smell when initial operating.

• 

It’s a temporary condition by new component heating. Smoke and smell will 

disappear completely after 10 minutes operation. 

To remove smell more quickly, please operate microwave oven with putting lemon 

formation or lemon juice in the cabinet.

If the above guidelines do not enable you to solve the problem, then contact your 

local Buffalo customer service centre. 

Please have the following information read;

• 

The model and serial numbers, normally printed on the rear of the oven

• 

Your warranty details

• 

A clear description of the problem

Then contact your local dealer or Buffalo aftersales service.

If you have any questions or comments relating to Buffalo products, please contact the 

Buffalo customer care centre.  

Buffalo. Fourth Way, Avonmouth, Bristol, BS11 8TB, The United Kingdom.

Tel : 0845 146 2887

ERROR CODES

Error Items

Code

Error Beep

Cause

Power 

frequency Error 

(50/60 Hz)

E1

-

Power frequency is other than 50 Hz.

Remedy

Unplug the power cord plug and check if the power frequency 

is 50 Hz.

Plug the power cord in 50 Hz power source and see If “E1” 

appears. If the error code is displayed again even after the correct 

power source is provided, contact the nearest service centre.

HVT-I Power 

Error

E41

One long beep 

for 2 sec

The circuitry inside the oven is not 

working correctly.

Remedy

Unplug the power cord and wait for 10 seconds.

Plug the power cord in again and check if the error code “E41” 

appears again. If the symptom persists, contact the nearest 

service centre.

HVT-II Power 

Error

E42

One long beep 

for 2 sec

The circuitry inside the oven is not 

working correctly.

Remedy

Unplug the power cord and wait for 10 seconds.

Plug the power cord in again and check if the error code “E42” 

appears again. If the symptom persists, contact the nearest 

service centre.

EEPROM Error

E5

One long beep 

for 2 sec

Memory IC (EEPROM IC) is not 

working correctly.

In this case, other features except for 

memory function work properly.

(You can operate the oven manually)

Remedy

Press CANCEL pad one or more times and try to start a memory 

heating. If the error code “E5” persists, contact your nearest 

service centre.

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Summary of Contents for GK640GK641

Page 1: ...GK640 GK641 Commercial Microwave Oven Instruction Manual This manual is made with 100 recycled paper GK640 GK641_XEU_DE68 04279A 01_EN indd 1 2014 08 07 2 22 22...

Page 2: ...rror codes 29 Technical specifications 30 safety information USING THIS INSTRUCTION BOOKLET You have just purchased a Buffalo microwave oven Your Owner s Instructions contains valuable information on...

Page 3: ...n a safe way and understands the hazards of improper use WARNING This appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities or...

Page 4: ...should be operated with the water during 10 minute and then used If smoke is emitted switch off or unplug the appliance and keep the door closed in order to stifle any flames WARNING Microwave heatin...

Page 5: ...re should be taken to avoid touching heating elements inside the oven WARNING Accessible parts may become hot during use Young children should be kept away A steam cleaner is not to be used WARNING En...

Page 6: ...able type model only This appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they hav...

Page 7: ...grease and food particles from building up Inside and outside surfaces Door and door seals Turntable and Roller rings Turntable type model only ALWAYS ensure that the door seals are clean and the door...

Page 8: ...leaners or steam jet cleaners Do not install this appliance near heater inflammable material in a humid oily or dusty location in a location exposed to direct sunlight and water or where gas may leak...

Page 9: ...object insert the power cord between the objects or behind the oven Do not use a damaged power plug damaged power cord or loose wall socket When the power plug or power cord is damaged contact your ne...

Page 10: ...no damage to the 1 door bent 2 door hinges broken or loose 3 door seals and sealing surfaces d The oven should not be adjusted or repaired by anyone other than a properly qualified microwave service t...

Page 11: ...ers should contact either the retailer where they purchased this product or their local government office for details of where and how they can take these items for environmentally safe recycling Busi...

Page 12: ...rsons or material for non observance of these requirements There are no user serviceable parts inside the oven and if the mains lead of this appliance is damaged it must only be replaced by qualified...

Page 13: ...ready meals are being based on the Heating Categories A B C D and E On this instance simply match the heating category of your oven to the instructions on the food package and set your timer according...

Page 14: ...9 CANCEL PAD 10 START BUTTON DISPLAY 1 PROGRAM INDICATOR 2 TIME DISPLAY 3 AIR FILTER CHECK TIME DISPLAY INDICATOR 4 MEMORY PAD NUMBER INDICATOR 5 POWER SOURCE CHECK INDICATOR When it shows heating doe...

Page 15: ...he display shows 0 and the cooling fan will keep working in order to cool down the interior parts During the time the fan will not stop even when you open the door 1 min later it will stop Food may be...

Page 16: ...a cooking time exceeding the maximum value It is not possible to set a cooking time for longer than the maximum time allowed on the chosen program It is advisable to press CANCEL and to enter a new p...

Page 17: ...t were used in the last operation 2 The repeat feature will be cancelled once the power source is cut off USING 20SEC PAD This is a ONE TOUCH COOK pad By touching the pad once you can start heating in...

Page 18: ...DS PROGRAMMING One stage 1 Hold down PROGRAM LOCK and then press PROGRAM pad Hold together for 2 sec Result PROG indicator appears in the digital display 2 Press appropriate NUMBER pad for the desired...

Page 19: ...ss NUMBER pads to set the cooking time 5 Repeat steps 3 and 4 for II or III stage memory programming 6 Hold down PROGRAM LOCK and then press PROGRAM pad Hold together for 2 sec once again Result PROG...

Page 20: ...ed memory NUMBER pad Result Cooking time which was multiplied by the preset factor appears in the display and cooking starts with time digits counting down You don t need to press START button to star...

Page 21: ...g Snd 1 g Snd 2 g Snd 3 g Snd 0 No sound Default tone is Snd 2 PROGRAMMING AIR FILTER CLEAN TIME When the air filter check indicator FILTER appears in the display window after a certain time of use y...

Page 22: ...u clean the window of the door be sure to use a soft cloth after washing with very mild soap and water Do not use window cleaner as the front door can be scratched by harsh soap or cleaners If food re...

Page 23: ...r to Programming Air Filter Clean Time in page 21 INSTALLATION INSTRUCTIONS FOR STACKING Important 1 Disconnect the power cord from the wall socket before attempting installation 2 For stacking instal...

Page 24: ...safe Comments Aluminum foil Can be used in small quantities to protect areas against overcooking Arcing can occur if the foil is too close to the oven wall or if too much foil is used China and earth...

Page 25: ...ttering Recommended Use Caution Unsafe cooking guide F Frozen C Chilled Recipe Method Power Level Timing Stand Time 1850 W 1500 W 1300 W BREAD PASTRIES To Defrost Vienna Baton 9 F DEFROST 1 0 45 0 50...

Page 26: ...er and Stir half way HIGH 2 00 2 10 2 20 2 mins Baked Beans 250 g Cover and Stir half way HIGH 1 00 1 05 1 10 2 mins Recipe Method Power Level Timing Stand Time 1850 W 1500 W 1300 W DESSERTS To warm A...

Page 27: ...d HIGH 3 00 3 15 3 30 1 min Recipe Method Power Level Timing Stand Time 1850 W 1500 W 1300 W FRESH VEGETABLES To cook 500 g Beans green sliced 60 ml 4 tbsps water cover HIGH 3 00 3 15 3 30 2 mins Broc...

Page 28: ...closed The food is not cooked at all Have you set the timer correctly and or pressed the START 30s button Is the door closed Have you overloaded the electric circuit and caused a fuse to blow or a br...

Page 29: ...power cord plug and check if the power frequency is 50 Hz Plug the power cord in 50 Hz power source and see If E1 appears If the error code is displayed again even after the correct power source is pr...

Page 30: ...comply with the undermentioned technological parameters Model GK640 GK641 Power source 230 V 50 Hz Power consumption Microwave 3200 W 3000 W Output power 1850 W IEC 705 240 V 1850 W 230 V 1780 W 1500W...

Page 31: ...07 TECHNICAL SPECIFICATIONS MEMO MEMO GK640 GK641_XEU_DE68 04279A 01_EN indd 31 2014 08 07 2 22 57...

Page 32: ...DE68 04279A 01 If you have any problems with your machine please contact Buffalo Support Center GK640 GK641_XEU_DE68 04279A 01_EN indd 32 2014 08 07 2 22 57...

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