Toyotomi Laser 300 Service Manual page 27

L A S E R L A S E R
Section 4
Control Circuit Board
4-2
Time Chart
No Item
2
Motor lock speed
High (H)
Medium (M)
(M1)
(M2)
Low (L)
(L1)
7 Fan motor control
High (H)
Medium (M)
Low (L)
8 Overheat protector
Abnormal overheat
detection
9 Power failure
system
10 Segment safety display
H E A T I N G H E A T I N G
Specification
When motor lock is detected during combustion, shift
to extinguishing process and stop operation.
A：1144 ±1.4%rpm
Display E- 8.
B：1259 ±1.4%rpm
A：1030 ±1.4%rpm
B：1030 ±1.4%rpm
A：1030 ±1.4%rpm
B：1030 ±1.4%rpm
A：1030 ±1.4%rpm
B：1030 ±1.4%rpm
A： 687 ±1.4%rpm
B： 687 ±1.4%rpm
A： not detected
B： not detected
A：Full wave
B：Full wave
A：5 : 1 (ON : OFF)
B：3 : 1 (ON : OFF)
A：2 : 1 (ON : OFF)
B：1 : 3 (ON : OFF)
When normal ON When
electromagnetic
extinguishing process and stop operation.
When abnormal
Display E- 12.
overheat is detected
recovery More than 30 minutes Keep in memory of current time, set timer time, set
room temperature, timer operation and power saver
operation during power failure.
E- 0 Power failure
E- 2 Miss ignition
E- 6 Miss flame
E- 8 Motor lock
E-12 Recovery after overheat protector operated
E-13 Burner thermistor trouble detection
E-22 When an ignition error has occurred 3 times in succession
E-23 Primary flame (Flame sensor) is malfunction
S Y S T E M S S Y S T E M S
Trouble Shooting
Conditions
abnormal overheat is detected during
pump operation, shift
Remarks
to
25
S E R V I C E M A N U A L