18
(
Q
J
OLV
K
8
6
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
1
1RWH
The R100 can also be used for fault finding.
Illustration
Action
T
M
03
08
92
07
0
5
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
