Performing maintenance
8.7 Check flexible conduits
Check the flexible conduit in the unit
Test criteria
• Clamps are screwed on tightly.
If No
Tighten bolts or replace clamp.
Check tightness
Test criteria
• Hoses or flexible conduits are dry.
• No traces of moisture or corrosion visible.
If No
Change hose.
If replacement is not possible immediately, take the unit out of service.
8.8 Check waste water connection
Check the waste water connection on the unit
Test criteria
• On-site waste water connection to the unit is tight (no
deposits or corrosion).
If No
Inform the operator: Do not operate the unit until the waste water connection has been repaired.
8.9 Checking the condition of the electrical components
Action
• Disconnect unit from power.
• Open the rear panel and service drawer (see "Opening and closing the housing").
Check the unit for water residues
Test criteria
• Unit is free of moisture and water residues.
If No
Determine cause of moisture or water residue.
Stop cause.
If cause cannot be stopped immediately, take unit out of operation.
Check control board cable
Test criteria
• Wire insulation is undamaged (not brittle, swollen or
scorched).
• Connection wires appear OK externally (not damaged or
scorched).
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Maintenance instructions
Remarks / values
Remarks / values
Remarks / values
Remarks / values
Remarks / values
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No