SR-PE55LTQ - Panasonic Home Appliance Service Manual (repair manual). Page 11

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6.4  Simple Test for Control Panel Confi rmation

(Before fault diagnosis, conduct the simple test for control panel confirmation as below and check whether the 
control panel (whole) can run normally.) Confi rm whether the control panel suffers no fault and whether each key-
press operation is normal based on the following steps.  Then judge whether the control panel (whole) can function 
normally (excluding the temperature performance for cooking and thermal insulation). In case of any abnormity, 
please diagnose the fault as per the Fault Diagnosis Table.

1.

Insert the special power line of the body into the power 
plug, and press three buttons, namely “Keep Warm”, 
“Appointment” and “Power On”.

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Off

Keep Warm

Timer

Start

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2.

If various segments of the LCD screen are lit as shown in 
the right diagram, it indicates normal operation. (releasing 
all the 3 keys can exit from the state.)

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3.

If releasing all the 3 keys, the buzzer will sound once, the 
LCD screen will display the situation as shown in the right 
diagram, the indicator light of “Power On” will be lit and the 
heater will begin to work.

The heater will become hot. 
Please take care not to be 
burned.

Warning

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4.

Operate other keys and confi rm whether they are in normal 
condition, then press the “Power Off” key.

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Off

Keep Warm

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Start

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Check the above operations from 1 to 4, and if they functions normally, it can be judged that the control panel (whole) 
works normally.

IP4749_SR_PE45_PE55_Eng_07_140314.indd   11

IP4749_SR_PE45_PE55_Eng_07_140314.indd   11

2014-3-14   9:12:39

2014-3-14   9:12:39