Troubleshooting Guide; Operation Check Test For The P.c. Board (Do Not Turn On The Power Of The Heater During The Check Test.) - Panasonic NT-ZP1-V Service Manual

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 >
SW1
SW2
SW3
SW4
SW5
Buzzer
< Operation check test for the P.C. board >
The DP1 type is not equipped with a buzzer.
No. Operation
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.
2 • Press the "Reheart" button.(SW1)
3 • Press the "Defrost" button.(SW2)
4 • Press the "Up" button.(SW3)
ZP1 DP1
Reheat Reheat
Defrost Defrost
Up Up
Down Down
Stop Stop
ZP1 DP1
Mounting Un mounting
Display and buzzer information
• 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.
• LED lighting of browning level 1.
• After having passed for 60 sec-
onds or when push the "stop"
button, reset it.
• LED lighting of browning level 2.
• After having passed for 60 sec-
onds or when push the "stop"
button, reset it.
• LED lighting or lights out of
browning level 3.
• After having passed for 60 sec-
onds or when push the "stop"
button, reset it.
LED1
LED2
LED3
LED4
LED5
LED6
LED7
LED8
LED9
Working description
Action
No power is supplied to the
heater.
The power supply sole-
noid output becomes ON.
8
ZP1 DP1
Level 1 Level 1
Level 2 Level 2
Level 3 Level 3
Level 4 Level 4
Level 5 Level 5
Level 6 Un mounting
Level 7 Un mounting
Reheat Reheat
Defrost Defrost
Items to be checked
Check if the mode changes to
the test one.
* The mode change was ended
in failure.
(Perform the operation of No.1
again.)
• 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.