SGNe Troubleshooting Guide Page 31
Revision 1.0; Davidson, May 2009. ©Ingersoll Rand Proprietary Information
SGNe
Troubleshooting Guide
Danger
Please utilize extreme caution when performing work within the compressor cabinet.
When opening the cabinet: be certain to wear appropriate PPE (Personal Protective Equipment),
follow lock out-tag out procedures, and ensure all safety procedures are followed
.
However, 14 days before the service date a “14 DAYS TO SERVICE” warning will occur.
This warning can be reset the same as any other warning. On the service date, , the
“SERVICE REQUIRED” warning will occur. This warning can be reset the same as any
other warning
, however this warning will return in 24 hours if the service complete factory
set point has not be set.
If the service complete has not been set, 14 days after the service date, the “ALARM –
SERVICE REQUIRED” warning will be issued. This warning can only be cleared by the
service complete factory set point. Once the service complete factory set point is set,
indicating the service is completed, the next service date will be calculated by adding the
value (number of months) of the Service Interval factory set point to the current value of
th
e real time clock.
Sensor Failure 1ATT
Will occur whenever sensor 1ATT is recognized as missing or broken. The sensor failure
message shall follow the following format: SENSOR FAILURE 1ATT.
Condensate Drain Error
This will occur if the compressor is running and the condensate drain error contact closes.
Sensor Failure 4CTT
This will occur whenever sensor 4CTT is recognized as missing or broken and the hot
side thermal valve (3.3.1.5) is set to on. The sensor failure message shall follow the
following format: SENSOR FAILURE 4CTT.
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