Mobile reverse osmosis system
AVRO-flex 400
Order no.
095 752 946-inter Edited by: phar-mrie G:\BA-752946-INTER_095_AVRO-FLEX_400.DOCX
41
Continuation Table G-1: Troubleshooting
This is what you observe This is the cause
This is what to do
Er 0
Power failure > 5 minutes
Refer to Chapter F / paragraph
3.2 / parameter A:
Depending on the setting, the
system either continues to run or
remains switched off.
Check power supply for failures.
Er 1
Pressure drop at pressure switch
for minimum pressure of high-
pressure pump:
Refer to Chapter F / paragraph
3.1 / parameter EHP:
Depending on the setting, the
system has previously under-
taken 6 unsuccessful start at-
tempts.
Restore primary pressure of feed
water.
Er 4
Minimum AVRO treatment cur-
rent undershot.
Have the AVRO treatment module
replaced immediately by
Grünbeck’s technical service/au-
thorised service company. The
malfunction can be acknowledged
once and a maximum of 5 m³ of
permeate can still be produced.
Er 5
System recovery too high:
Recovery was above 60 % for
more than 1 h
Gauge and reset the system.
Er 6
AVRO maintenance interval has
elapsed.
Notify Grünbeck’s technical ser-
vice/authorised service company
to have the AVRO treatment mod-
ule replaced promptly.
Er 7
No function
Er 8
Motor protection switch of high-
pressure pump has responded.
Notify Grünbeck’s technical ser-
vice/authorised service company
to have the high-pressure pump
checked and replaced, if neces-
sary
Er 9
In workshop mode, a shut-off
valve is closed on the permeate
side.
Open shut-off valve and
acknowledge malfunction.
1)
Separate flushing instructions for membranes are available for authorised service personnel, order no. 700 950.
