Panasonic NT-ZP1-V, Service Manual

8

5 Troubleshooting Guide

Before starting the troubleshooting, check the action of the oven according to the operation check test is below.

5.1.

Operation check test for the P.C. board (Do not turn on the power of the
heater during the check test.)

< Mounting / Un mounting >

< Operation check test for the P.C. board >

The DP1 type is not equipped with a buzzer.

ZP1

DP1

SW1

Reheat

Reheat

SW2

Defrost

Defrost

SW3

Up

Up

SW4

Down

Down

SW5

Stop

Stop

ZP1

DP1

Buzzer

Mounting

Un mounting

ZP1

DP1

LED1

Level 1

Level 1

LED2

Level 2

Level 2

LED3

Level 3

Level 3

LED4

Level 4

Level 4

LED5

Level 5

Level 5

LED6

Level 6

Un mounting

LED7

Level 7

Un mounting

LED8

Reheat

Reheat

LED9

Defrost

Defrost

No.

Operation

Working description

Items to be checked

Display and buzzer information

Action

1

• Insert power supply cord in an out-

let.

• Push the "stop" button and reset a 

toaster.

• Push "Defrost" button, "Reheat" but-

ton, the "up" button at the same 
time.

• A lever is lowered downward, push-

ing three buttons.

•

Any LED turns on in LED1-4 for 
browming level indicator.

• A buzzer sounds in succession.

Because it is not equipped with 
a buzzer, the DP1 type does not 
sound.

• After having passed for 60 sec-

onds or when push the "stop" 
button, reset it.

No power is supplied to the 
heater.
The power supply sole-
noid output becomes ON.

Check if the mode changes to 
the test one.
* The mode change was ended 
in failure. 
(Perform the operation of No.1 
again.)

2

• Press the "Reheart" button.(SW1)

• LED lighting of browning level 1.
• After having passed for 60 sec-

onds or when push the "stop" 
button, reset it.

3

• Press the "Defrost" button.(SW2)

• LED lighting of browning level 2.
• After having passed for 60 sec-

onds or when push the "stop" 
button, reset it.

4

• Press the "Up" button.(SW3)

• LED lighting or lights out of 

browning level 3.

• After having passed for 60 sec-

onds or when push the "stop" 
button, reset it.

• Lights up or non-lighting by 

AD input value.

• Turn on or level 3 of the LED 

for browming level indicator 
turns off the light depending 
on terms of use when tests it.