Haier GE Appliances NS22HM Service Manual page 63

Component Testing
Verifying High Pressure Switch and Low Pressure Protection Operation
Low Suction Pressure Protection –
High Pressure Switch (HI-PS)
•
•
Checkout – S4 High Pressure Switch
Verifying Suction Pressure Transducer Operation
31-5000750 Rev. 1
Figure 29. Verifying High and Low Pressure Switch Operation
VDC
Figure 30. Suction Pressure Transducer Voltage
S4
HIGH
PRESSURE
SWITCH
S87
LOW
PRESSURE
SWITCH