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Middleby Crown EPXN-3, Installation & Operation Manual

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Middleby Crown EPXN-3 Installation & Operation Manual Download Page 19

INSTALLATION & OPERATION MANUAL, ELECTRIC COUNTER PAN STEAMERS, EPXN-3, EPXN-5

8.0  TROUBLESHOOTING

GENERAL

PROBLEM

PROBABLE CAUSE

REMEDY

1. C

OOKING INDICATOR

LIGHT FAILS TO LIGHT

WITH 

T

IMER  SET

.

a. Main power circuit breaker

tripped.

Locate external circuit breaker for incoming
power and place in ON position.

b. Door interlock switch contacts not

closed.

Shut cooker door to close switch contacts.  
Check alignment of door with switch.

c.  Door interlock switch faulty.

Replace switch.

d.  Indicator light burned out.

Replace light.

e. Faulty timer contacts.

Replace timer.

f.  Faulty wiring.

Inspect condition of wire and tightness of all
connections.  Correct as needed.

g.  Fuse blown.

Replace with same rated fuse.

2.

  

S

TEAM FAILS TO 

GENERATE WITH COOKING

INDICATOR LIGHT ON

.

a.  Faulty wiring.

Inspect condition of wire and tightness of all
connections.  Correct as needed.

3. S

TEAMS  CONTINUOUSLY

WITHOUT THE COOKING

OR READY LIGHT ON 

.

a.  Faulty thermostatic switch.

Replace thermostat.

b.  Power switch - continuous steam  
      setting is selected.

This is normal operation when “continuous
steam” is selected.

4. T

IMER DIAL NOT TURNING

.

a.  Faulty timer motor.

Replace timer.

b.  Faulty wiring.

Inspect condition of wire and tightness of all
connections.  Correct as needed.

5.

BUZZER FAILS TO SOUND

AT END OF TIMER

SETTING

.

a.  Timer contacts faulty.

Replace timer.

b.  Buzzer faulty.

Replace buzzer.

c.  Faulty wiring.

Inspect condition of wire and tightness of all
connections.  Correct as needed.

Part No. 10234R3

19

2020-02-24

Summary of Contents for Crown EPXN-3

Page 1: ...tions thoroughly before installing or servicing this equipment IMPORTANT FOR FUTURE REFERENCE Please complete this information and retain this manual for the life of the equipment Model ___________________________ Serial ___________________________ Date Purchased ____________________ CROWN FOOD SERVICE EQUIPMENT A Middleby Company 70 Oakdale Road Downsview Toronto Ontario Canada M3N 1V9 Telephone ...

Page 2: ...n adjustment alteration service or maintenance can cause property damage injury or death Read the installation operation instructions thoroughly before installing or servicing this equipment WARNING Never spray water in electrical components Intended for commercial use only Not for household use It is recommended that this manual be read thoroughly and that all instructions be followed carefully N...

Page 3: ... EPXN 5 TABLE OF CONTENTS DESCRIPTION PAGE 1 0 SERVICE CONNECTIONS 4 2 0 INTRODUCTION 5 3 0 INSTALLATION 6 4 0 PERFORMANCE CHECK 8 5 0 OPERATING INSTRUCTIONS 9 6 0 COOKING GUIDELINES 13 7 0 PREVENTIVE MAINTENANCE 16 8 0 TROUBLESHOOTING 19 Part No 10234R3 3 2020 02 24 ...

Page 4: ...INSTALLATION OPERATION MANUAL ELECTRIC COUNTER PAN STEAMERS EPXN 3 EPXN 5 1 0 SERVICE CONNECTIONS Part No 10234R3 4 2020 02 24 ...

Page 5: ...XN 5 are electric fired pressureless steam cookers The cooking compartments are equipped with a three piece door with inner gasket plate isolated from the exterior surface Door latch operates by slam action for positive sealing of the door Operating controls are displayed on a front mounted panel and include indicator lights for ready and cooking modes a timer to set cook times and an illuminated ...

Page 6: ...ck Allow adequate access for servicing LEVELLING Using a spirit level adjust the feet to level the unit front to back and side to side The unit must be level for proper operation Warranty will be void for improper installation ELECTRICAL CONNECTIONS WARNING The unit must be electrically grounded and comply with local codes or in the absence of local codes with the national electrical code ANSI NFP...

Page 7: ... 7 5 This degree of hardness can easily be obtained with the use of a properly maintained water softener VENT HOOD Some local codes may require the steamer to be located under an exhaust hood It is recommended that this steamer be located under an exhaust hood to remove excess steam during cooking operations Information on the construction and installation of ventilating hood may be obtained from ...

Page 8: ... to the OFF position 6 Close door and wait approximately 10 minutes for the READY indicator to illuminate which will indicate the unit is up to proper operating temperature 7 Open the door to verify the cavity has reached cooking temperature Water in the bottom of the cooking cavity should be between 200 to 210EF 8 Set the timer to 5 minutes and close the door to initiate the cooking cycle The COO...

Page 9: ... by closing the door Holding temperature in the cavity will keep cooked foods warm after cooking cycle at or above 150EF 65EC 5 Main Power Switch TIMED COOKING The steamer will begin heating to the pre set temperature for standby Red light will illuminate on the main power switch Cooking cycle is determined by timer dial OFF The steamer is powered off CONTINUOUS STEAM Steamer will heat to enter in...

Page 10: ...ng compartment door 6 Select CONSTANT STEAM or TIMED COOKING mode 7 In CONSTANT STEAM mode the unit will begin the cooking cycle and continue indefinitely until user intervention or unit runs out of water There are no indicator lights illuminated in this mode 8 In TIMED COOKING mode the unit will run through the cooking cycle determined by number of minutes selected with the timer The end of the c...

Page 11: ...clean the unit CLEANING WARNING Never use chlorine or bleach solution for cleaning door gasket Never use steel wool or other metallic pads to clean the steamer Weekly or more often if necessary clean the exterior with damp cloth and polish with soft dry cloth Use a non abrasive cleaner to remove discolourations After each period of daily operation more frequently as required to maintain cleanlines...

Page 12: ...ssure there are no obstructions 5 Replace the pan supports and deflector in compartment and leave door ajar WARNING When this appliance is installed with casters and is connected to the supply service with flexible electrical conduit a restraint to prevent damage to the electrical conduit should have been installed If disconnection of the restraint is necessary reconnect this restraint after the a...

Page 13: ... cooked faster by the higher temperatures of steam cooking they can be prepared closer to serving time insuring maximum freshness 8 Steam cooked foods have a higher percent yield more portions per dollar spent 9 Food may be served from the same pan in which it is steam cooked thus reducing food breakage since there is no extra handling or transferring of food from cooking pans to serving pans It a...

Page 14: ...oking time is necessary Cooking time for frozen foods depends on amount of defrosting required If time permits allow frozen foods to partially thaw overnight in a refrigerator This will reduce their cooking time PREPARATION Prepare vegetables fruits meats seafood and poultry normally by cleaning separating cutting removing stems etc Cook root vegetables in a perforated pan unless juices are being ...

Page 15: ...NSTALLATION OPERATION MANUAL ELECTRIC COUNTER PAN STEAMERS EPXN 3 EPXN 5 6 0 COOKING GUIDELINES Continued DEPTH OF PAN NUMBER OF PANS EPXN 3 EPXN 5 1 6 10 2 3 5 4 2 3 6 1 2 Part No 10234R3 15 2020 02 24 ...

Page 16: ...mstances should hardware or parts be replaced with a different length size or type other than as specified in the parts list The hardware used in the cooker has been selected or designed specifically for its application and the use of other hardware may damage the equipment and will void any warranty WARNING Disconnect the power supply to the appliance before cleaning or servicing WARNING The stea...

Page 17: ...commended cleaning instructions Use a mild detergent warm water and rinse thoroughly NEVER SPRAY WATER INTO ELECTRIC CONTROLS OR LOUVRES REMOVAL OF SCALE DEPOSITS It is recommended that your steamer be descaled once a week Your steamer comes with a sixteen weeks supply of Middleby QuickClean Scale Control product 16 oz container QuickClean is a safe and efficient way to maintain a scale free envir...

Page 18: ...stic or rubber gloves to avoid skin contact If QuickClean comes in contact with skin rinse with clean water 1 Set power switch to OFF 2 Remove diffuser plate and pan support racks 3 Fill the cavity with water up to the WATER LEVEL line 4 Spread one scoop of QuickClean 1 oz evenly to the water 5 Allow 8 to 16 hours to clean 6 Drain rinse and wipe the bottom of the cavity Part No 10234R3 18 2020 02 ...

Page 19: ...ns Correct as needed g Fuse blown Replace with same rated fuse 2 STEAM FAILS TO GENERATE WITH COOKING INDICATOR LIGHT ON a Faulty wiring Inspect condition of wire and tightness of all connections Correct as needed 3 STEAMS CONTINUOUSLY WITHOUT THE COOKING OR READYLIGHT ON a Faulty thermostatic switch Replace thermostat b Power switch continuous steam setting is selected This is normal operation wh...

Page 20: ...e point any setting to obtain a reading of zero ohms on the ohmmeter If zero ohm reading cannot be obtained timer contacts are defective and the timer must be replaced 5 Move ohmmeter leads to terminals 1 and 4 6 Rotate timer dial to 0 Minute position An audible click indicates correct position If zero ohm reading cannot be obtained the timer is defective and must be replaced 7 Remove ohmmeter and...

Page 21: ...ect an ohmmeter between the terminals of the switch The switch is marked C for common NC for normally closed and NO for normally open 4 Actuate the switch by closing the cooking compartment door If a zero reading cannot be obtained between the C and NO terminals the switch is defective and must be replaced 5 Remove the ohmmeter and replace the leads on switch terminals Indicator Lights If the cook...

Page 22: ...ance before cleaning or servicing Using an ohmmeter wiring continuity between the connections shown on the wiring diagram is readily verified This is best done in stages removing only those wires required for each continuity check As each lead is replaced it should be checked for evidence of corrosion and cleaned if necessary All leads must be tightly attached so as to provide a good electrical co...

Page 23: ...ed with a sponge or cloth Dry thoroughly with a clean cloth Never use vinegar or any corrosive cleaner To remove grease and food splatters or condensed vapours that have baked on the equipment apply cleanser to a damp cloth or sponge and rub cleanser on the metal in the direction of the polishing lines on the metal Rubbing cleanser as gently as possible in the direction of the polished lines will ...

Page 24: ...ckening of the protective surface of the stainless steel and are not harmful Heat tint can normally be removed by the foregoing but tint which does not respond to this procedure calls for a vigorous scouring in the direction of the polish lines using SCOTCH BRITE scouring pads or a STAINLESS scouring pad in combination with a powdered cleanser Heat tint action may be lessened by not applying or by...

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