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16

ENGLISH

IV. QUICK  REFERENCE:    TROUBLESHOOTING

SYMPTOM

PROBLEM

SOLUTION

The  oven  temperature  ex-

ceeded 650°F (343°C), and

the  burner  was  automati-

cally shut down.

•

Follow the procedures under Daily Shutdown Procedures in

this section to shut down the oven.  Contact your Middleby

Marshall Authorized Service Agent to determine and correct the

cause of the condition to prevent damage to the oven.

IF THESE STEPS FAIL TO RESOLVE THE PROBLEM, CONTACT YOUR LOCAL MIDDLEBY MARSHALL

AUTHORIZED SERVICE AGENT.  A SERVICE AGENCY DIRECTORY IS SUPPLIED WITH YOUR OVEN.

light is lit, food product is

undercooked

Oven will not

turn on at all

Oven shuts down shortly

after it is turned on

appears in display,

oven is not heating

Oven will not heat

Oven is operating, but little

or no air is blowing from air

fingers

Conveyor moves with a

jerky motion, or will not

move at all

Food products are over-

cooked  or  undercooked.

Electrical power may not be

reaching  the  oven,  or  the

controls  may  be  set  incor-

rectly.

The gas burner did not light

within  90  seconds  of  turn-

ing  the  "HEAT"  (or 

)

Switch  to  the  “ON”  (or  "I")

position.  This automatically

engages  a  safety  lockout

mode.

The  oven  did  not  reach

200°F (93°C) within 15 min-

utes of startup, and the oven

has  stopped  heating.

Controls may be set incor-

rectly.

Air fingers may have been

reassembled  incorrectly

after  cleaning.

Conveyor may be jammed

on an object in the oven, or

conveyor belt or drive chain

tension may be incorrect.

Controls may be set incor-

rectly.

•

Check that the circuit breaker/fused disconnect is turned on.

•

Check that the "BLOWER" 

(or 

)

 Switch is in the “ON” (or "I")

position.  The burner cannot engage until the blowers are in

operation.

•

Turn the "HEAT" (or  ), "BLOWER" 

(or 

)

, and "CONVEYOR"

(or 

)switches to the "OFF" (or "O") position.

•

Wait for AT LEAST FIVE MINUTES before restarting the oven.

•

Repeat the Daily Startup procedure.

•

Turn the "HEAT" (or  ), "BLOWER" 

(or 

)

, and "CONVEYOR"

(or 

)switches to the "OFF" (or "O") position.

•

Wait for AT LEAST FIVE MINUTES before restarting the oven.

•

Repeat the Daily Startup procedure.

•

Check that the Set Point is correctly set.

•

Check that both the "BLOWER" 

(or 

)

 and "HEAT" (or 

)

Switches are in the “ON” (or "I") position.

•

If the oven still will not heat, turn the "HEAT" (or  ), "BLOWER"

(or 

)

, and "CONVEYOR" (or 

)switches to the "OFF" (or "O")

position.

•

Wait for AT LEAST FIVE MINUTES before restarting the oven.

•

Repeat the Daily Startup procedure.  Check that the Set Point

is above 200°F (93°C).

•

Turn the oven off, and allow it to cool.  Disconnect electrical

power to the oven.

•

Refer to the Maintenance section of your Owner's Manual for

instructions  on  reassembling  the  air  fingers.

•

Turn the oven off, and allow it to cool.  Disconnect electrical

power to the oven.

•

Check if the conveyor is blocked by an object inside the oven.

•

Refer to the Maintenance section of your Owner's Manual for

instructions  on  reassembling  the  air  fingers.

•

Check  that  the  set  temperature  and  bake  time  settings  are

correct.

SECTION 3 - OPERATION

Summary of Contents for PS570S

Page 1: ...00 FAX 847 741 4406 OWNER S OPERATING INSTALLATION MANUAL 2000 Middleby Marshall Inc is a registered trademark of Middleby Marshall Inc All rights reserved PS570S Gas Oven P N 39141 Rev C V1 10 00 Mod...

Page 2: ...r If the smell of gas is detected immediately call the emergency phone number of your local Gas Company They will have personnel and provisions available to correct the problem FOR YOUR SAFETY Do not...

Page 3: ...int Cable Installation 9 C Conveyor Installation 9 TABLEOFCONTENTS V FINALASSEMBLY 11 VI ELECTRICAL SUPPLY 11 VII GAS SUPPLY 11 A Gas Utility Rough In Recommendations 12 B Connection 12 C Gas Conversi...

Page 4: ...mm Overall Depth inc rear shrouds 61 3 4 1568mm 61 3 4 1568mm 61 3 4 1568mm 61 3 4 1568mm Overall Length 106 2692mm 106 2692mm 106 2692mm 106 2692mm Conveyor Width 32 813mm 32 813mm 32 813mm 32 813mm...

Page 5: ...inimum clearances are specified in the Description section of this Manual WARNING For gas ovens after any conversions readjustments or service work on the oven Perform a gas leak test Test for correct...

Page 6: ...6 ENGLISH Figure 2 1 Installation Kit Figure 2 2 Base Pad Kit 1 2 3 4 5 1 2 3 4 5 6 7 8 9 10 11 12 13 SECTION2 INSTALLATION...

Page 7: ...ow 90 1 1 4 dia 9 4 4 4 4 22450 0028 Adjustable leg 6 152mm 10 1 1 1 1 1 33120 0056 Gas pipe 1 1 4 dia X 54 1372mm L 11 1 1 1 1 1 22450 0253 Restraint cable 60 1524mm L 12 1 1 1 1 1 21392 0005 Eyebolt...

Page 8: ...echanically driven system must not blow at the opening of the baking chamber Poor oven baking performance will result C Other ventilation concerns Special locations conditions or problems may require...

Page 9: ...faces the rear of the oven 4 Stacktheovencavities Ifnecessary refertotheinstructional videotape provided with the Stacking Lift Kit P N 30580 B Restraint Cable Installation Because the oven is equipp...

Page 10: ...at this time 6 Install the drive chain between the conveyor drive sprocket and the motor sprocket To install the chain it will be necessary to lift the drive end of the conveyor slightly 7 Install the...

Page 11: ...correct locations of the crumb trays 2 Install the crumb trays underneath the conveyor as shown in Figure 2 12 First place the inside edge of the tray onto the retainer Then swing the outside edge of...

Page 12: ...utory authority Certain safety code requirements exist for the installation of gas ovens refer to the beginning of this Section for a list of the installation standards In addition because the oven is...

Page 13: ...controller Split belt ovens have one controller for eachconveyorbelt labeled FRONT and BACK Digital Temperature Controller Continuously monitors the oven temperature Settings on the Digital Tempertur...

Page 14: ...made to operate the oven during a power failure 2 Turnthe BLOWER or switch to the ON or I position wait for Press the Up Arrow and Down Arrow Keys as necessary to adjust the set point or Press the Set...

Page 15: ...ss this key together with the Set Point Key to allow the Set Point to be changed Changes can only be made for 60 seconds Up Arrow and Down Arrow Keys Press these keys to adjust the Set Point up or dow...

Page 16: ...may be jammed on an object in the oven or conveyor belt or drive chain tension may be incorrect Controls may be set incor rectly Check that the circuit breaker fused disconnect is turned on Check that...

Page 17: ...he full flow gas safety valve Test the gas line connections for leaks using approved leak test sub stances or thick soap suds 5 Turn on the electric supply circuit breaker s 6 Perform the normal start...

Page 18: ...air fingers as shown in Figure 4 5 AS EACH FINGER IS DISASSEMBLED WRITE THE LOCA TION CODE FOR THE FINGER ON ALL THREE OF ITS PIECES This will help you in correctly reassembling the air fingers CAUTIO...

Page 19: ...Replace the conveyor adjustment screws as shown in Figure 4 7 To allow the conveyor belt to be reinstalled later do not tighten the screws at this time 9 Loosen the set screw on both of the conveyor d...

Page 20: ...t at the seals AVOID OVERGREASING Excessive greasing may harm the bearing 2 Manually turn the blower shaft by pulling on the belt to purge the grease 3 Wipe off any excess grease on the bearings Then...

Page 21: ...ovens 3b 22450 0230 Brushes Drive Motor for all split belt ovens 4 33984 Kit Thermocouple 5 27170 0263 Assembly Pickup Conveyor Drive 6 27392 0002 Fan Cooling 7 27170 0011 Assembly Burner Blower and M...

Page 22: ...ERATURE CONTROLLER THERMO COUPLES PURPLE WHT PURPLE BLU WHT BLU ORN WHT ORN AMPLIFIER BOARD INPUT 0 20 mA INPUT 24 VAC MODULATING V A L V E OUTPUT 0 20 VDC BLK BLK YLW BLK BLK WHT RED 1 A TRANSFORMER...

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