SGNe Troubleshooting Guide Page 30
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
.
Initial Service Required At 150 Hours
All units will issue a “SERVICE REQUIRED” warning when the total hours reaches 150.
This warning can be reset the same as any other warning
Service Level 1
If service level 1 has been selected for the unit, a “SERVICE REQUIRED” warning will
be issued every 2000 operating hours. This warning can be reset the same as any other
warning.
Service Level 2
If service level 2 has been selected for the unit, factory set points service interval type,
service interval, and service complete will be used for determining when service is
required and resetting the service warning.
The service complete factory set point (3.3.1.8) will be used to clear a level 2 service
warning and reset the service time or date. The service complete can be reset before
a service warning occurs.
Service Interval Type – Hours
If hours has been selected for service interval type, the service warnings will be
activated by the operating hours of the compressor.
After the initial 150 hours
“SERVICE REQUIRED” warning, the next “SERVICE
REQUIRED” warning will occur
at 2000 total hours. However, 100 hours before this a
“100 HOURS TO SERVICE”
warning will occur. This warning can be reset the same as
any other warning. One
hundred hours later, at 2000 total hours, 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, 100 hours later, at 2100 total hours, 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 time for the
next “SERVICE REQUIRED” warning will be calculated by adding 2000 to the total hours
value, with the “100 HOURS
TO SERVICE” warning occurring 100 hours before and the
“ALARM – SERVICE REQUIRED” warning occurring 100 hours after that time.
Service Interval Type – Months
If months has been selected for service interval type, the service warnings will be
activated by the real time clock of the compressor.
After the initial 150 hours
“SERVICE REQUIRED” warning, the next service date will be
calculated by adding the
value (number of months) of the Service Interval factory set point
(3.3.1.7) to the current value of the real time clock.
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