Table of Contents
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Preventative maintenance
Introduction
Caution
Warning
Scope of
Caution
maintenance
22
Service Guide
Preventive maintenance has to be carried out to:
• Continues operation in specified range
• Avoid malfunctions
• Avoid inefficient operation
• Maximize the unit's lifetime
The factory warranty is only valid if documented preventive maintenance has been carried
out, with an time interval of:
• Maximum 6 months when unit is located in normal air quality environment
• Maximum 2 months when unit is located in bad quality air environment
A written log at site is adequate documentation for preventive maintenance.
• Switch off AC and DC supply before working on the unit
• Make sure that all work has been performed correctly before switching power back on
Any maintenance should always be carried out by a qualified personnel, and the following
main points should be checked and carried out.
No .
Description
1
Free cooling filter check/replace
2
Cleaning of AC components
3
Error code readout and correction if needed.
4
Final inspection of selected parts
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