Helmer Scientific i.Series
®
and Horizon Series
™
Refrigerator - Upright
Operation Manual
360372/B
27
10 Preventive Maintenance
Notes
•
It is important to ensure that all scientific equipment is maintained regularly for optimum performance.
• These are recommended minimum requirements. Regulations for your organization or physical conditions at your
facility may require maintenance items to be performed more frequently, or only be designated service personnel.
Maintenance tasks should be completed according to the following schedule. Refer to the service manual and the i.C³ User Guide
for detailed information on tasks.
Table 9. Preventive Maintenance Schedule
Task
Frequency
Quarterly
Annually
As Needed
Test the high and low temperature alarms.
Test the power failure alarm (as required by your organization’s protocols).
Models with Access Control
Test the Access Control battery.
Test the door alarm (as required by your organization’s protocols).
Check the temperature calibration on the monitor and change it if necessary.
Models with Chart Recorders
Check the back-up battery for the chart recorder after an extended power failure
and change it if necessary, or change the battery if it has been in service for one
year. Refer to the Temperature Chart Recorder Operation and Service Manual.
Check the level of the solution in the probe bottles. Refill or replace solution if
necessary.
Examine the probe bottles and clean or replace if necessary.
Check the chamber lights and replace them if necessary.
Clean the condenser grill.
Clean the door gaskets, interior, and exterior of the refrigerator.
If applicable, test the ground fault circuit interrupter on the internal outlet.
Inspect ground strap.
Units prior to serial number 2022299
(i.Series)
NOTICE
Clean the condenser grill on a quarterly basis.
Notes
• During a power failure, the back-up battery provides power to the monitoring system and the power failure alarm. If the
back-up battery is not functioning, the power failure alarm will not be activated.
• If the back-up battery does not provide power to the monitoring system during the power failure alarm test, replace
the battery.
• During a power failure, the back-up battery continues to provide power to the optional Access Control lock (if equipped).
If the back-up battery is not functioning, the optional Access Control lock will not secure the door.
• i.Series: If rechargeable battery has been in service for two years, replace battery.
• Horizon Series: If monitoring system battery has been in service for one year, replace battery. If the optional Access
Control battery has been in service for two years, replace battery.
