Specifications

42
© 2012 Emerson Climate Technologies, Inc.
Printed in the U.S.A.
AE8-1368 R2
Voltage Imbalance Trip
Check compressor power supplied to the
contactor. Is the voltage difference between
any of the power leads greater than the
percentage that is set in the E2? See the
configuration tab for this compressor.
Does the module return to
normal operation?
Normal Operation.
The module has
sensed a voltage
imbalance condition.
Normal Operation. Voltage
imbalances that are 5% or greater
can cause overheating and
subsequent damage to the
compressor motor. Address the
voltage imbalance before
restarting the compressor
No
Yes
No
6.21
Reset the sensor module by
turning off the pilot circuit power.
Note: Before turning the module
on, wait approximately 5 seconds
to allow for a proper reset.
Yes
Are the voltage sensing leads
connected properly? Refer to
figure 6.24
Repair the connections
No
Figure 6.24 Voltage Lead Connections