mabe PSS21 Series Service Manual page 38

Main Control Board Locator Box (Low-Voltage Side)
Connector Pin
J1 1 Blue/Red
J1 Yellow
2
3
J1 Red White
J1 Blue/White
4
J1 Blue
5
1
J2 Blue
J2 Blue/White
2
J2 White
3
4
J2 Yellow/Black
5
J2 Yellow
6
J2 Black/White
J2 7
Not in use
J2
8 Red
Wire
color
Thermistor # 1
Cooler
Thermistor # 2
Cooler
Freezer thermistor
Evaporator
thermistor
Supply voltage
thermistor (5 VDC)
Tachometer of the
evaporator fan.
Fan inlet
Common fan
Evaporator fan
Common fan
Evaporator fan
Non applicable
Supply of energy to
the fan (12 VDC)
Continues in next page.
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Component
Termination
J1 pin 1 to pin 5 = 2.8
to 3.5 VDC
J1 pin 2 to pin 5 = 2.8
to 3.5 VDC
J1 pin 3 to pin 5 = 2.8
to 3.5 VDC
J1 pin 4 to pin 5 = 2.8
to 3.5 VDC
J1 pin 5 to J4 pin 3 =
5 VDC
J2 pin 1 to pin 3 =
6.3 VDC
J2 pin 2 to pin 3 =
12 VDC
J2 pin 3 to pin 8 =
12 VDC
J2 pin 4 to pin 3 = 12.4
VDC (high speed),
8 VDC (low speed)
J2 pin 5 a pin 3 = 13.4
VDC (ventilador del cond
es de una velocidad)
J2 pin 6 a pin 3 = 0 VDC
(high speed), 3 VDC (low
speed)
Non applicable
J2 pin 8 to pin 6 =
13.4 VDC (high vel), 9
VDC (low vel)
to J4 pin 3 = 13.4 VDC
Pin-to-Pin Voltage
Reading
J2 to 8