![background image](http://html1.mh-extra.com/html/gardner-denver/governor-ten014983/governor-ten014983_user-manual_3581592120.webp)
13-17-621 Page 120
Table 44 below provides more definition of the major codes and components it represents in the compressor
system.
Table 44: Major Alarms
Major Code
Component
Description
A1
Airend 1
This major code indicates an issue related to the compressor airend, such as high
discharge temperature.
P
Package
This category indicates an issue related to the compressor package, such as
separator and reservoir sensors.
S
Service
This category indicates issues with service items, such as maintenance timers and
filter monitors.
M1
Motor
This category indicates an issue with the main compressor motor, such as over-
temperature.
F1
Fan
This category indicates an issue with the fan or fan motor, such as over-temperature.
FV1
VFD Cooling
This category indicates an issue with the cooling system for Variable Speed Drive.
C
Controller
This category indicates an issue with the controller, such as a configuration error or
hardware fault.
V1
VFD1
This category indicates an issue with the main compressor variable speed drive 1.
V2
VFD2
This category indicates an issue with the main compressor variable speed drive 2.
SQ
Sequencing
This category indicates an issue with the sequencing communications, such as
communication faults.
Refer to Table 45: All Alarms below for a list of the all faults and warnings on the system. This table has a
full list of alarms with
major.minor
format. Note, some alarms are specific to the machine configuration and
sensors that are present.
Diagnose an Alarm:
The table below shows the possible root cause and first hand remedy for each alarm. Note, that if the
remedy listed is not useful and the problem persists, please contact the Gardner-Denver help desk for
expert assistance.
Table 45: All Alarms
Alarm List
Alarm
Code
Severity
Alarm Details
Potential Root Cause
Action
Airend 1 Alarms
A1.0
Fault
Airend Inlet
Temperature is
below the Fault
Limit
Inlet air temperature is
too low to start or run the
compressor.
Check the site conditions and increase
temperature of the inlet air to the compressor.
A1.0
Warning
Airend Inlet
Temperature is
below the
Warning Limit
Inlet air temperature is
approaching the
minimum limit to start or
run the compressor.
Check the site conditions and increase
temperature of the inlet air to the compressor.
A1.1
Fault
Airend Inlet
Temperature is
above the Fault
Limit
Inlet air temperature is
too high to start or run
the compressor.
Check the site conditions and decrease
temperature of the inlet air to the compressor.
A1.1
Warning
Airend Inlet
Temperature is
above the
Warning Limit
Inlet air temperature is
approaching the
maximum limit to start or
run the compressor.
Check the site conditions and decrease
temperature of the inlet air to the compressor.