MDC XT13 - Page 79

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e) Starting decalcification
Tasks within the RV
• Set the control panel to “Clean”.
- If decalcification does not start, switch the appliance on at the POWER switch.
• Decalcification takes about 3 hours (during this time, you do not have to do anything).
• Decalcification is indicated by a slow flashing (1 s on, 1 s off) of the status LED 3 (Fig. 9) on the control
panel.
• During decalcification, the control panel must remain set to “Clean”.
• Decalcification is complete when the status LED 3 (Fig. 9) flashes quickly on the control panel.
f) Rinsing the water system
• You will need about 8 gallons (30 liters) of water to rinse the water system.
• Dispose of (used) decalcification solution in accordance with local laws and regulations.
Tasks within the RV
• Open all water-release points, e.g., hot water faucets, showers, toilets.
• Run the water until the status LED 3 (Fig. 9) on the control panel goes out.
• Set the control panel to “Off”.
• Close all water-release points.
• Turn OFF the water supply or switch OFF the water pump.
• Open a hot water faucet to relieve pressure in the system.
To make sure that the appliance and the water pipes contain no decalcification agent, empty
the water system again and refill it.
Tasks outside the RV
• Switch the appliance OFF at the POWER switch (red error code LED 2 (Fig 8) flashes before it
switches off).
• Drain the water system (refer to “Draining the water and cleaning the water inlet filter” on
page 61, steps 4. to 8.).
• Install the water inlet filter* referring to step 9.
*or antifreeze cartridge if electric antifreeze kit is installed.
• Switch ON the appliance at the POWER switch.
• Insert and close the access door (refer to “Closing the access door” on page 53).