Toshiba ER-A7ER Service Manual

ERROR

INDICATION

TABLE

Erroe cord

contents

Detaite

H02

Oven thermistor

A

wire

breaks

1)

Oven thermistor

is

NG

2)

Not connected of connector for oven fhermstor

H03

Weight

sensor is

or

a wire

breaks

1)

Weight sensor is NG

2)

Not connected of connector for weiht sensor

H05

Resistor

of

oven

is

NG

1)

PC

board

asm

is

NG

H06

Resistor

of

fermentation

is

NG

1)

PC

board

asm

is

NG

H08

Thernistor of I GBT a wire break

1)

INV

is NG

H10

EPROM

is

NG

1)

PC

board

asm

is

NG

H11

ControI

of

INV

is NG

1)

INV

is NG

2)Not connected of connector for INV

3)Wong wiring of connctor

H12

HV trance

NG

1)

HV trans of INV is NG

H15

IN - PUT

power

voItage

is

Iow

IN - PUT

power voItage

Iess

then

75 V

1)

Power

suppIy

is

NG

2)

PC

board

asm

is

NG

H52

IN - PUT

power

voItage

is

high

IN - PUT

power voItage

more

then 125 V

1)

Power

suppIy

is

NG

2)

PC

board

asm

is

NG

H60

ReIay not

operation

2)

PC

board

asm

is

NG

H61

RT - motor

not

operation

1)

RT motor

is NG

2)

Not

connected

of

terminaI

for

RT. Motor

H62

Thernistor

of magnetron

is

NG

1)

Thernistor

of magnetron is

NG

2)

Not

connected

of

connector

for

thermstor of magne

H65

Infrared sensor does not swing

1)Check infrared sensor voltage

H67

RT Motor does not opearte

1)Check invertor secondary voltage

H68

Error of infrared sensor voltage

1)Check temperature date of infrared sensor

H71

Ng of Invertor

Ib input actual of at the start of Invertors is

(Ib is too big when before start)

more than 16

H72

Ng of Invertors

Input current

of at the start of Invertors is

(Input current is too big when before sta more than 36

H73

Ng of Invertors

Can not get away from 4 times warm run

Fail of start 4 times

at the start of invertor

Input Power

Time

H74

Ng of Invertors

Input current of end of warm run is

Input current is too small at the start

less than 7