Grunbeck Delta-p, Operation Manual

Page: 46 / 74

Fault
46 | 74 BA_
T
D
3-
BM
001e
n_
01
4_D
e
lta-
p.
docx
Control unit GENO-IONO-matic
3
Er 9 The control unit detects an invalid
microswitch-position on the
regeneration or transfer valve.

Connection cable regeneration
valve-control unit or transfer
valve-control unit incorrectly
connected or defective.

Microswitch S1 ... S5 defective.

Control unit defective.

Check the connection cable.

Check cabling.

Call Grünbeck's technical
service-/authorised service
company.
Er A with
symbol Display only if pre-alarm salt
supply accessory is installed and
code 113, parameter 3 = L are
programmed. 
Check the minimum quantity of
salt in the brine tank and top up
with salt tablets according to
DIN EN 973 A.

Request Grünbeck's technical
service-/authorised service
company if the display appears
despite the quantity of salt being
at or above the minimum.
Er C Nominal flow of water softener
exceeded. Risk of damage to
system components. Reduce the flow rate via the water
softener until the nominal flow rate
is no longer exceeded.
Er D Run-time monitoring motor
blending valve has responded.
Soft water hardness is
programmed although no blending
valve is installed. Set parameters for soft water
hardness with blending to 0 °dH
(0 °f, 0 mol/m³).
Parameters for soft water
hardness selected too high in
relation to raw water hardness. Program parameters for soft water
hardness lower. 50% of the raw
water hardness can be achieved at
most.
Cabling of turbine water
meter/motor blending valve faulty. Check cabling.

Turbine water meter 5 – pulse
cable defective.

Turbine water meter 5 faulty.

Control unit defective. Blending
valve defective.
Call Grünbeck's technical service/
authorised service company.
Er F Connection to accessories
communication module-
DE200-Profibus is faulty.

Restore connection.

Restore power supply to the
option module.
Maintenance interval has expired. Call Grünbeck's technical service/
authorised service company.