User Guide

18
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10.1 Checking the module
Noise in the
system.
Air in the system. Vent the system.
The flow is too high.
Reduce the setpoint and possibly
change over to AUTO
ADAPT or
constant pressure.
The pressure is too high.
Reduce the setpoint and possibly
change over to AUTO
ADAPT or
proportional pressure.
Noise in the
pump.
The inlet pressure is too low.
Increase the inlet pressure and/or
check air volume in the expan-
sion tank (if installed).
Air in the pump.
Set the pump to "MAX" by contin-
uously pressing the button or
with the R100. After venting, set
the pump back to normal duty by
pressing the buttons , or
with the R100.
Note: The pump must not run
dry.
Indicator
lights
Fault Cause Remedy
Green Red
11RWH
The R100 can also be used for fault finding.
Illustration Action
TM03 0892 0705
1. Remove the module cover.
2. Check the LEDs.
When the pump is switched on and the
module is correctly mounted, the left LED
must be flashing and the right LED must
be permanently on.
3. Refit the module cover.
Flashing
Permanently on