oventrop Regumaq K Notice D'installation Et D'utilisation page 47

Diagnosis and troubleshooting
cascade control set "Regumaq K"
Consecutive
Error indication
number
One or several
actuators do not
10
react to an increase
of the withdrawal
quantity
No actuator reacts
to a modification
of the withdrawal
quantity
11
Actuators open and
close uncontrollably
Actuators open and
12
close uncontrollably
Flow sensor VFS
13 10-200 without
function
Detection,
Possible reason
control option
Check switching
points
– Select flow volume
Withdrawal quantity – Increase with-
for the next switching
point has not been – Check opening
reached
Visual test of the
Manual override manual override
buttons engaged buttons at the
actuators
Flow sensor VFS
Visual test (direction
10-200 installed in
arrow on the flow
the wrong
sensor)
flow direction
Flow sensor Although all
VFS 10-200 defective. previous solutions
Pressure impacts regarding the
during filling may reaction of the
cause damage to the actuators have
sensor diaphragm been completed,
(installation instructions there is still no
paragraph 8.1) function
Wrong connection of
the grounding cable Visual test
of the flow sensor grounding cable
VFS 10-200
230V/24V/5V cables
and sensor cable laid Visual test
in a bundle.
Reversed direction of
Visual test
flow
Error during initial
Correct function
operation (pressure
with replaced part?
impacts during filling)
1381082
1381083
1381084
(Accessories and spare parts see chapter 13)
Solution
display in the
status menu of all
controllers
As long as the withdrawal
quantity for the next switching
drawal quantity
point has not been reached,
function is ok, no solution
points of the
required
actuators (total
volume flow of
approx. 20/25/30
l/min). Time delay
has to be taken
into account
Short operation of each
individual manual override
button (see installation
instructions paragraph 6.3)
Install flow sensor in the
common cold water supply pipe
in the correct direction of flow
(installation instructions
chapters 4 and 6)
Replace flow sensor
VFS 10-200 with due
consideration of the notes
regarding installation, electrical
installation and initial operation
in the installation instructions
(chapters 6 to 8)
Observe notes in the installation
instructions (paragraph 7.4)
and connect grounding cable
according to the instructions.
(Do not connect to plastic pipes,
insulated pipe clamps in plastic
dowels etc....)
Separate live cables from the
common bundle and lay them
individually at a sufficient
distance to the sensor cables.
See installation instructions
chapter 7
Install in the direction of flow
See installation instructions
chapter 6
Replace flow sensor
See installation instructions
chapter 8
47