Further Product Information; Disposal - Grundfos PM 2 Montage- Und Betriebsanleitung

Fault
8. System without a
pressure tank:
The red "Alarm"
indicator light
flashes once per
period.
9. System with a
pressure tank:
The red "Alarm"
indicator light
flashes once per
period.
10. The red "Alarm"
indicator light
flashes twice per
period.
11. The red "Alarm"
indicator light
flashes three times
per period and
each pump start is
delayed a few
seconds.
12. The red "Alarm"
indicator light
flashes more than
three times per
period.
* See service instructions on www.grundfos.com > International website > WebCAPS > Service.

13. Further product information

Further information and technical details for the
Grundfos PM 2 can be found on www.grundfos.com
> International website > WebCAPS.
If you have any questions, feel free to contact the
nearest Grundfos company or service workshop.

14. Disposal

This product or parts of it must be disposed of in an
environmentally sound way:
1. Use the public or private waste collection
services.
2. If this is not possible, contact the nearest
Grundfos company or service workshop.
Cause
a) Cycling.
A tap has not been closed entirely
after use.
b) Cycling.
There is a minor leakage in the
system.
a) Cycling.
The pressure tank has no
precharge pressure or the tank
size is insufficient.
a) Maximum continuous operating
time (30 minutes).
The pump has been running
continuously for 30 minutes.
a) Too many start/stop sequences
within a short period.
The pressure tank has no
precharge pressure or the tank
size is insufficient.
b) Too many start/stop sequences
within a short period. PM 2 is set
to start/stop with 1 bar differential
pressure, i.e. DIP switch 5 is set to
"ON", but no pressure tank has
been installed in the system.
a) Internal fault in the product.
Remedy
Check that all taps have been closed.
See section 8.2 Anti-cycling.
Check the system for leakages.
See section 8.2 Anti-cycling.
Check the tank precharge pressure, and
recharge the tank, if necessary.
If the size of the pressure tank is
insufficient, set DIP switch 5 to "OFF", or
replace the pressure tank.
See section 8.2 Anti-cycling.
Check the system for leakages.
Disable the function to allow the pump to
run for 30 minutes.
See section 8.3 Maximum continuous
operating time (30 minutes).
Check the tank precharge pressure, and
recharge the tank, if necessary.
If the size of the pressure tank is
insufficient, set DIP switch 5 to "OFF", or
replace the pressure tank.
Set DIP switch 5 to "OFF".
Contact Grundfos.
Subject to alterations.
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