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-ZP1HVA 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
Reheat
Defrost
Up
Down
Stop
ZP1
Mounting
Working description
Display and buzzer information
• Any LED turns on in LED1-4 for
browming level indicator.
• A buzzer sounds in succession.
• 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.
8
LED1
LED2
LED3
LED4
LED5
LED6
LED7
LED8
LED9
Action
No power is supplied to the
heater. Check if the mode changes to
The power supply sole- the test one.
noid output becomes ON. * The mode change was ended
in failure.
(Perform the operation of No.1
again.)
ZP1
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Reheat
Defrost
Items to be checked
• 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.