Maytag ACO1530AW 사용자 설명서

Troubleshooting Procedures

16021668 Rev. 0

Key pad matrix is located in
“Testing Procedures” on page 11.

"PLEASE TOUCH TIME OF DAY"

does not appear in

the display,

when unit is plugged in.

Is 120 volts

indicated.

Replace

circuit

board.

Verify proper

connection of

circuit board.

YES

Unit operates.

1. Check power supply.
2. Check fuse.
3. Check oven thermostat.

Display does not

indicate correct number

pressed or correct

indication when

programmed.

Is continuity

indicated when

key pad is

pressed.

Verify proper

connection of

ribbon

connector.

Replace

control

key pad.

YES

Unit operates.

Does ribbon

connector have

proper

connection.

Replace

circuit

board.

Reconnect

ribbon connector

for proper

connection.

YES

Measure voltage

between pin 1

and pin 3 of

CN1 connector

Measure resistance

of control key

panel after removing

ribbon connector.