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Micro Display Control Troubleshooting
Motor Will Not Start (Sheet 2 of 2)
TMB1770S
1
2
3
4
TB1-L1
TB1-L2
TB1-L3
BLK/
WHT
BLK/
WHT
PRIMARY
FUSES
AGC-2A
250V
BLK
BLK
1
2
SECONDARY
FUSE
MDL-3.5A
250V
M
FAN MOTOR
CENTRIFUGAL
SWITCH
DOOR
SWITCH
WHT
CHASSIS GROUND
WHT
LINT
PANEL
SWITCH
AIR FLOW
SWITCH
RED
RED
RED/WHT
N.O.
COM COM
N.O.
BRN/RED
WHT
ORG/BRN
COM
N.O.
ORG BRN
ORG/
WHT
WHT/
BRN
BRN/WHT
N.C.
BLK
THERMISTOR
M
14
13
RED/BLU
WHT
RED/WHT
RED/BLK
WHT/VLT
WHT
RED/BLK
RED/BLK
RED
WHT/BLU
SECONDARY
FUSE
1.25 T
250V
RED
RED
WHT
GRN/YEL
WHT
12345678910
WHT
WHT
THERMISTOR
BLK
WHT
H4
025 & 030 MODELS 035 MODELS
CABINET
LIMIT
THERMOSTAT
STOVE
LIMIT
THERMOSTAT
VLT
VLT/WHT
TB1-L3
TB1-L2
TB1-L1
SEE
TRANSFORMER
CONFIGURATION
JUMPER
HC1
HC2
L3
T3
H3
H5
L2
T2
24V
4.0A
24V
1.5A
12 3 45 6
1
AUX
THERM
PROT.
4
MAIN 1
MAIN 2
RUN
5
RUN
MAIN 2
MAIN 1
4
FAN
MOTOR
THERM
PROT.
AUX
1
CYLINDER
MOTOR
BLU/BLK
3
GRY/BLK
M
BLK
BLK/WHT
BLK/RED
L1
L2
L3
T1 T2 T3
MM
LT. BLU
LT. BLU
HC1
HC2
3
5
5
TEMP. REGULATING
HEAT RELAY
CIRCUIT CONTROLS
32 15
FS-2
H2-1
4N25
24Vac Ret
24Vac
MACHINE RUNNING
H6
3
APPLICATION DETAIL
SEE VEND
H5
7468 1291011
COIN DROPS
H1-4
H1-2
21654
6
7
Vmax=28Vdc
Imax=5ma
H3
5
4
3
HEAT RELAY
MOTOR RELAY
START PULSE INPUT
AVAILABLE OUTPUT
TIME 20msec MIN.
Iin= 3-30ma
H3-1 & H3-2
OPTO OFF WHEN
H3-3 & H3-4
MDC CONTROL
120Vac - 6.8K ohm 5 watt
24Vac - WIRE JUMPER
240Vac - 13.6K ohm 10 watt
JUMPER H2-2 TO H2-5 AS FOLLOWS:
VOLTAGE CONFIGURATION INPUT
H2-2
H2-5
SUPPLY
POWER
CONTROL
CLOSED & SWITCH IS PRESSED
RELAY ONLY WHEN DOOR IS
CONTROL TO TURN ON MOTOR
DOOR SENSING CIRCUIT ALLOWS
24Vac Ret
24VAC
H1-1
H1-3
9
H4
10 678
1/4 watt
12
100 OHM
H11L1
FS-1
H2-4
H2-3
Door Sense Ret
H2-6
3241
1
3
2
12
13
10
11
69
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