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990-3015-001 Symmetra PX 160 kW 400 V Operation 25
Modular Distribution fault list
The display interface will identify the number of the power distribution module that has caused an
alarm or warning.
Display Message Meaning Corrective Action
High Module Current The high module current
threshold has been exceeded.
Evaluate the threshold setting. If necessary, adjust
it for your situation.
High Subfeed Current The high subfeed current
threshold has been exceeded.
Evaluate the threshold setting. If necessary, adjust
it for your situation.
Low Module Current The low module current
threshold has been exceeded.
Evaluate the threshold setting. If necessary, adjust
it for your situation.
Low Subfeed Current The low subfeed current
threshold has been exceeded.
Evaluate the threshold setting. If necessary, adjust
it for your situation.
Maximum Module Current The maximum module current
threshold has been exceeded.
Evaluate the threshold setting. If necessary, adjust
it for your situation.
Maximum Subfeed Current The maximum subfeed current
threshold has been exceeded.
Evaluate the threshold setting. If necessary, adjust
it for your situation.
Minimum Module Current The minimum module current
threshold has been exceeded.
Evaluate the threshold setting. If necessary, adjust
it for your situation.
Minimum Subfeed Current The minimum subfeed current
threshold has been exceeded.
Evaluate the threshold setting. If necessary, adjust
it for your situation.
Modular Distribution
Communication
Communication has been lost
with the modular distribution
breakers.
Check the communication cables to ensure they
are properly connected. Contact APC Customer
Support.
Module Breaker Open A modular circuit breaker is
open.
Check the modular circuit breakers to see if one
has overloaded. Replace if necessary.
Subfeed Breaker Open A subfeed circuit breaker is
open.
Check the subfeed circuit breakers to see if one
has been over-loaded.