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Modular Distribution Fault List
The display interface will identify the number of the power distribution modules that has caused an
alarm or warning.
Display Message Meaning Corrective Action
High Module Current Alarm The threshold of the high module
current has been exceeded.
Evaluate the threshold setting. If
necessary, adjust it for your situation.
High Subfeed Current Alarm The threshold of the high subfeed
current has been exceeded.
Evaluate the threshold setting. If
necessary, adjust it for your situation.
Low Module Current Alarm The threshold of the low module
current has been exceeded.
Evaluate the threshold setting. If
necessary, adjust it for your situation.
Low Subfeed Current Alarm The threshold of the low subfeed
current has been exceeded.
Evaluate the threshold setting. If
necessary, adjust it for your situation.
Max Module Current Alarm The threshold of the maximum
module current has been exceeded.
Evaluate the threshold setting. If
necessary, adjust it for your situation.
Max Subfeed Current Alarm The threshold of the maximum
subfeed current has been exceeded.
Evaluate the threshold setting. If
necessary, adjust it for your situation.
Min Module Current Alarm The threshold of the minimum
module current has been exceeded.
Evaluate the threshold setting. If
necessary, adjust it for your situation.
Min Subfeed Current Alarm The threshold of the minimum
subfeed current has been exceeded.
Evaluate the threshold setting. If
necessary, adjust it for your situation.
Communication Lost With Metering
Board Alarm
Communication has been lost with
the power distribution module.
Check the communication cables
to ensure that they are properly
connected. Contact Schneider
Electric Customer Support (see the
back cover).
Module Breaker Open Alarm A modular circuit breaker is open. Check the modular circuit breakers
to see if one has been over-loaded.
Replace if necessary.
Subfeed Breaker Open Alarm A subfeed circuit breaker is open. Check the subfeed circuit breakers
to see if one has been over-loaded.
36
Symmetra™ PX48, 96, and 160 kW 400 V 100 kW 208 V Operation
990–3015E-001