Fault Finding The Product; Disposing Of The Product - Grundfos MP 204 Montage- Und Betriebsanleitung

16.2 Fault finding the product

Fault
1. MP 204 is not
showing Cos (φ)
and Energy
Consumption.
2. MP 204 display is
not showing FFFF.
3. MP 204 display
shows P.
4. MP 204 display
shows EEE0 or
EEE3

17. Disposing of the product

This product or parts of it must be disposed of in an
environmentally sound way:
1. Use the public or private waste collection service.
2. If this is not possible, contact the nearest
Grundfos company or service workshop.
The crossed-out wheelie bin symbol on
a product means that it must be
disposed of separately from household
waste. When a product marked with this
symbol reaches its end of life, take it to a
collection point designated by the local
waste disposal authorities. The separate collection
and recycling of such products will help protect the
environment and human health.
Possible cause
a) Wrong connection of phases or
learning function has not been
completed.
a) Checksum in the EERPOM is
incorrect.
a) Internal failure.
a) Internal failure.
Remedy
Check the correct connection of phases
L1, L2, L3, etc., and then repeat the
learning function.
Reprogram the firmware to MP 204 from
Grundfos PC Tool Water Utility.
Replace unit.
Replace unit.
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