Norcold EV0041 Service Manual page 13

Procedure E: Measuring Compressor Amp Draw
To measure compressor amp draw:
1. Connect power compresso power leads. See Figure 18.
2. Connect the DC power supply to a charged 12 volt
automotive battery. Observe the correct polarity (red+/
black-) when making connections.
Compressor amp draw measurements can also be taken
with the refrigerator operating on ac power power supply.
Make sure input voltages to power supplies are correct.
Ground Wire
(Green/White)
Neutral Wire
(Black/Ribbed)
3. Turn on refrigerator. The Power Indicator should illuminate.
4. Connect a clamp-on amp meter as shown in Figure 18.
Minimum and maximum amp draw appear n Figure 18.
g
0
Line Voltage Wire
m~o~ of--+---~ n =~+---
(Black/Quick-Disconnect)
~~---- Ill
~I
DE/EV0041
Auto Amps
Low
AC
L
E,
Auto
~
High - ,
n
t:
I
Lf
DE/EV0061
Low
Figure18. Checking compressor amp draw.
13