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13

TROUBLESHOOTING

Symptoms

What follows is a chart of Symptoms, Possible Causes, and Remedy’s to aid in
diagnosing faults with the range.
Refer to the Symptoms column to locate the type of failure then to the Possible
Cause for the items to be checked and the Remedy to column for possible solutions.

SYMPTOM

POSSIBLE CAUSE

Hotplate will not heat

 

No power to Unit

 

Defective Thermostat

 

Defective element

French plate will not heat

 

No power to Unit

 

Failed 6-heat switch

 

Failed element

Griddle plate will not heat

 

No power to Unit

 

Failed Thermostat

 

Failed element

TESTS

NOTICE:

Service on this, or any other, LANG appliance must be
performed by qualified personnel only.  Consult your
authorized service station directory or call the factory
at 1-800-224-LANG (5264), or WWW.LANGWORLD.COM
For the service station nearest you.

WARNING:

BOTH HIGH AND LOW VOLTAGES ARE PRESENT
INSIDE THIS APPLIANCE WHEN THE UNIT IS
PLUGGED/WIRED INTO A LIVE RECEPTACLE.
BEFORE REPLACING ANY PARTS, DISCONNECT THE
UNIT FROM THE ELECTRIC POWER SUPPLY.

If an item on the list is followed by an asterisk (*), the work should be done by a factory
authorized service representative.

Possible Cause

TEST

Failed thermostat

 

Verify calibration

Failed element

 

Remove the wires and check for continuity
across the element*

Failed 6-heat switch

 

Call factory or consult service manual for
proper tests

CAUTION:

   

USE OF ANY REPLACEMENT PARTS OTHER THAN
THOSE SUPPLIED BY LANG OR THEIR AUTHORIZED
DISTRIBUTORS CAN CAUSE BODILY INJURY TO THE
OPERATOR AND DAMAGE TO THE EQUIPMENT AND
WILL VOID ALL WARRANTIES.

Summary of Contents for RF-21S Series

Page 1: ...ufacturing Company 6500 Merrill Creek Parkway Everett WA 98203 Rev A Phone 425 349 2400 Fax 425 349 2733 WWW LANGWORLD COM Copyright 2000 Installation Operation Maintenance Troubleshooting Model RF 21...

Page 2: ...LLS GAS THIS INFORMATION SHALL BE OBTAINED BY CONSULTING YOUR LOCAL GAS SUPPLIER AS A MINIMUM TURN OFF THE GAS AND CALL YOUR GAS COMPANY AND YOUR AUTHORIZED SERVICE AGENT EVACUATE ALL PERSONNEL FROM T...

Page 3: ...LE OF CONTENTS 3 2 READ FIRST 4 3 EQUIPMENT DESCRIPTION 6 4 UNPACKING 7 5 INSTALLATION 8 6 INITIAL START UP 10 7 OPERATION 11 8 MAINTENANCE CLEANING PROCEDURES 12 9 TROUBLESHOOTING 13 10 PARTS LISTS 1...

Page 4: ...PERSONNEL AND OR DAMAGE TO EQUIPMENT UNIT MUST BE INSTALLED IN ACCORDANCE WITH ALL APPLICABLE CODES NOTICE The data plate is located right of Range top controls The range voltage wattage serial numbe...

Page 5: ...this or any other LANG appliance must be performed by qualified personnel only Consult your authorized service station directory or call the factory at 1 800 224 LANG 5264 or WWW LANGWORLD COM For th...

Page 6: ...r model number and a brief description of the controls The RF21S Ranges can come with a either a standard bake oven convection oven or just as a range top RF21S H or 36S 20 Six French plates controlle...

Page 7: ...and remove the wood frame CAUTION RANGE WEIGHS 410 LBS 186 kilograms FOR SAFE HANDLING INSTALLER SHOULD OBTAIN HELP AS NEEDED OR EMPLOY APPROPRIATE MATERIALS HANDLING EQUIPMENT SUCH AS A FORKLIFT DOLL...

Page 8: ...nce with local codes or in the absence of local codes with NFPA No 70 latest edition in Canada use CSA STD C22 1 Place spacers ie 2 x 4 wood block not supplied at the front and rear of the oven top Pl...

Page 9: ...L3 L1 L2 L3 L1 L2 L3 L1 L2 Top Only 15 0 41 7 41 7 41 7 36 1 36 1 36 1 18 1 18 1 18 1 72 1 62 5 Convection Oven 21 6 48 3 69 2 62 5 41 9 59 9 54 2 20 5 29 5 27 7 103 8 90 0 Bake Oven 21 0 45 8 66 7 6...

Page 10: ...ow the same time Continue doing this until you reach position 6 then allow the unit to maintain the temperature for a minimum of 4 hours More time may be required if the unit has to operate in a moist...

Page 11: ...ature ranges from 0 850 Recommended Stock pots and heavy kettle work Round French Plates controlled by indicating type 6 heat switch Temperature ranges from 0 750 Recommended Light duty sauce pans and...

Page 12: ...y features of electric equipment give it the regular attention that it deserves the same as any other highly perfected machinery to insure best results and continued high operating efficiency CALIBRAT...

Page 13: ...r authorized service station directory or call the factory at 1 800 224 LANG 5264 or WWW LANGWORLD COM For the service station nearest you WARNING BOTH HIGH AND LOW VOLTAGES ARE PRESENT INSIDE THIS AP...

Page 14: ...01 Pilot Light 480V 6 Lead Black Body 31601 02 Element Pan Assembly w Snout 50300 20 Grab Bar Assembly 36 Long Cruise Line Only 50300 32 Grab Bar Assembly 36 Long Marine Units Only 50300 44 Pan Latch...

Page 15: ...RANGE TOP WIRING GRIDDLE HOT TOP FRENCH PLATE 1 Griddle and Top Plate Element 2 Pilot Light 3 450 Griddle thermostat 4 Circuit breakers 5 French plate 6 6 Heat switch 7 Hot Top 8 850 Hot Top thermost...

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