Cleveland MKET-12-T Manuel de réparation télécharger pdf (Page 17)

SYMPTOM CAUSE REMEDY (See Text)

A timer does not count down when the

compartment is hot

The thermostatic switch is not closing.

Inoperative timer board.

There is no 5-5 VAC signal to the timer

board.

Poor wiring connections from the thermal

switch to the timer board.

Replace the thermostatic switch

Replace the timer board-Check the power

supply board, cable assemblies, and

connections. Repair or replace as necessary.

Check the cable assemblies, wire harness, and

connections. Repair or replace as necessary.

Pressing a control panel switch pad for one

compartment causes the controls of the other

compartment to respond.

Damaged or inoperative control panel

(membrane switch or ribbon connector).

Replace the control panel.

The timer display digits appear incomplete or

the indicator LED’s do not light.

Damaged or inoperative timer board The timer

board is water-soaked.

Replace the timer board. Dry the timer board.

The alarm sounds continuously (sound could be

a low-pitched whistling).

The power supply board is water soaked.

The alarm is snorted.

Damaged or short-circuited cable assembly.

Damaged or inoperative timer board.

Dry the power supply board.

Replace the power supply board.

Check the cable assemblies and connections.

Repair or replace as necessary

Replace the timer board.

The flow of steam into a compartment will not

shut off

The emergency by-pass switch is in the "on"

position. Dirt or foreign material is jammed in

the solenoid valve.

Damaged or short-circuited timer board.

Turn off the switch Repair or replace the

solenoid valve. Replace the timer board-

The time entry will not hold in the display -

one

or both display digits change continuously

Damaged or inoperative control panel

(membrane switch or ribbon connector).

Replace the control panel.

When the "Start/Cancel" pad or "Manual

Operation" pad is pressed, the compartment

steam solenoid valve opens, then closes

immediately.

Insufficient supply voltage (120 VAC nominal)

to the timer control box.

Check the building's supply voltage to the

equipment and check the wiring to the timer

control box. Repair as necessary.

Cleveland Range, Inc.

UNITED STATES CANADA

1333 East 179th St. Cleveland, Ohio 44110 Garland Commercial Ranges

Phone: (216) 481-4900 • Telex: 98-0546 • FAX: (216) 481-3782 1177 Kamato Road

Misassaugha, Ontario, Canada L4W1X4 Phone:

(416) 624-0260 • FAX: (416) 624-0623

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Cleveland MKET-12-T Manuel de réparation Page 17

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