Toyotomi Laser 300 Service Manual page 32

L A S E R L A S E R
Section 4
Control Circuit Board
4-2
Time Chart
Sequence : MA-252 series
Miss Ignition(It has occurred 3 times in succession)
ON/OFF sw
AUTO button
▲MIN. button
▼HOUR button
SET button
TIMER button
DAY SELECT button
POWER SAVER button
CLEAR button
CHILD LOCK button
Flame sensor
Bm speed sensor
Room thermistor
⑤
Igniter
Blower motor
Fuel pump
Fan motor
Buzzer
On lamp
Burning mode
indicator
AUTO
indicator
TIMER
indicator
POWER SAVER
indicator
CHILD LOCK
indicator
other
indicator
time
room temperature and set temperature
①RT＞ST
②RT＞ST+1.0℃
③RT＞ST+2.0℃
④RT≦ST
⑤RT≦ST-1.0℃
⑥RT＞ST+6.0℃
Title
30
S E R V I C E M A N U A L
H E A T I N G H E A T I N G
Laser300 / Laser530 / Laser560 / Laser730
ON ON
Not Detected
Detected Detected
T1 T2 T3 T12 T11 T1
ON ON
L1 H M
M1
M
A D A
Flash3 Flash1 Flash3
FlashB
1st.
set temperature set temperature
E - 2 time
room temperature room temperature
Flashing frequency
Flash1 : 2.0Hz
Flash2 : 0.5Hz
Flash3 : 1.0Hz
Buzzer
A : on 100msec
D : on 100msec off 100msec 25times
S Y S T E M S S Y S T E M S
Trouble Shooting
ON
Detected
T2 T3 T12 T11 T1 T2
ON
L1 H M L1
M1
M
D A
Flash1 Flash3
FlashB
2nd.
set temperature
E - 2 time
room temperature
Burning mode indicator
A :
B :
C :
Class Remarks
Figure5
T3 T12 T11
H M
M1
M
D
Flash1
FlashB
3rd.
E - 2 2