REGLOPLAS 300L Betriebsanleitung Seite 27

Program memory defective Unit and control system are switched off.
Microprocessor malfunction Unit and control system are switched off.
Calibrated values changed or wrong Unit and control system run normally.
Unit data in memory wrong or lost Unit and control system are switched off.
Press the alarm reset key twice: The initialisation data are imported anew.
If the initialisation data can be loaded successfully, the normal display appears. If not, the alarm appears again.
Timer battery defective or dead Unit and control system continue to run normally.
Unit mains power too low Unit and control system are switched off.
Two flow monitors are connected at the same time The message goes away as soon as only one flow monitor is
connected.
No data available The factory or user settings contain no data.
Memory not present or defective e.g. memory not inserted.
4. Maintenance
Before performing any maintenance procedures, switch the unit off at the main switch and
unplug the unit from the mains.
4.1 Periodic checks and maintenance procedures
To make the maintenance procedures easier, the RT50 control system is equipped with a service-interval display.
We recommend entering the corresponding service interval (e.g. 2000 hours). For programming, see "RT50 Ope-
rating Instructions", Section 3.9.
Please note that the following information is for 8 hours of operation daily. For operations with more than one
shift, these checks and maintenance procedures shall be performed in correspondingly shorter intervals.
Defective components shall be repaired or replaced immediately.
• Checks and maintenance procedures shall be performed only by qualified personnel.
• Maintenance procedures on the electrical equipment shall be performed only by a qualified electrician.
• Before replacing the RT50 control system, unplug the unit from the power mains.
When working with pumps with magnetic couplings, be aware of danger from magnetic
fields:
– People with pacemakers and/or implanted metal components must maintain
sufficient distance from the unit or should not perform maintenance operations on the
pump.
– When pushing the magnetic coupling together, hold the motor such that no fingers
could be trapped as a result of magnetic strength.
– Maintain the necessary distance from computers, diskettes, credit cards, electrical
watches, etc.
4.1.1 Daily checks/maintenance
1 Check the temperature control circuit (unit, connecting hoses, consumer, etc.) for leaks. Fix any leaks
immediately.
2 Replace oily insulation immediately and remove any oil spills.
4.1.2 Monthly checks/maintenance
1 Check the inlet opening for the pump cooling for blockage. Clean unit from the inside to the outside using
compressed air.
2 Clean the filter.
4.1.3 Semi-annual checks and maintenance
1 Check the function of the level control (→ Service): Evacuate the unit via the drain plug system and pump
and then switch on in accordance with Sections 2.6 and 2.8.
2 Check the electrical equipment such as grounding wires, contactors, firm positioning of the connection
cables, etc.
3 Dismantle the solenoid valve (→ Service): Check the membrane for scaling and damage. Ensure that the
core and spring bolts move smoothly. Clean or replace components as necessary.
4 Descale the cooler.
5 Check the function of the safety thermostat:
Enter the set-point value at the controller to 320 °C. Heat the unit (temperature control circuit) to this
temperature.
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BA 300L(D) 0601/dfe