Troubleshooting Table; Section Iv; Technical Specifications And Dimensions - Viessmann AQUAHOME 20-N Installation And Operation Manual

Water softening station
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5. Troubleshooting table

Problem
Water softener
supplies water that
is too hard or
entirely unsoftened
Water softener
supplies water; salt
level remains
unchanged
Water is
periodically hard

Section IV

1. Technical specifications and dimensions

Top view, side view, front view
Cause (Reason)
No salt in the tank
No power supply
Occluded outflow of sewage from
the valve
Salt bridge has been formed in the
brine tank
By - pass valve is in by-pass
position
Incorrectly set hour.
Too low raw water hardness has
been programmed
Incorrect code for a given model of
water softener.
Soft water is fed during
regeneration process
Non-controlled water leakage
Excessive consumption of water
Removal (remedy) method
Refill salt
Activate manual regeneration
Restore power supply. Check
displayed time. Activate manual
regeneration
Restore patency of washings
discharge hose
Remove the salt bridge
Set the by - pass valve in service
position
Reset hour to correct one
Determine water hardness and
program the correct water hardness
number
Contact the service team of your
supplier.
Such situation must be avoided. Check
the settings of control panel for
correctness
Check all water intake points. Remove
all water leakages
28

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