Troubleshooting; Led Information Guide - Dometic RO400 Service Manual

The troubleshooting guide consists of:
1) The "

lED INfORMATION gUIDE

pret the LED information shown on the product's display.
2) The "
fAUlT IDENTIfIcATION gUIDE
information such descriptions of a number of symptoms,
e.g. low flow, and suitable solutions.
The two methods for troubleshooting are complementary.
If a fault can be identified based on the LED-information, it is
advisable to see the "
fAUlT IDENTIfIcATION gUIDE
offers more extensive information about the symptoms as well
as suitable solutions and actions to take.
If a faulty component is identified, replace the component
referring to the step-by-step instructions in this manual, see
" ". In addition, please consult the user's manual for
SERVIcE
the product and its "

TROUBlEShOOTINg

information.
Please note that some of the methods in this troubleshooting
led infORmatiOn guide
To protect the user and the water purifier from incorrect use, there are several different built-in alarms, which cause the purifier to
give an indication and stop. The table below gives probable causes of warnings given by the water purifier.
The lights can appear in the following three ways:
indiCatiOn
tROuBlesHOOting
" will help you to inter-
" offers additional
" which
" section for further
fault Case
Time to replace filter or clean the grid.
The feed water's pressure is too low.
The feed pressure is too low so the water
system has stopped. The system is idle
waiting for restart.
Alarm for blocked filter I or II.
Alarm for dirt in the grid.
Alarm for water leak/condensation on the base
plate under the pre-filters.
The feed water's pressure is too low.
guide compromises the internal safety systems of the product
and may also involve operation of the water purifier without
protective cover.
service as well as operation of the purifier without
protective cover is only to be performed by qualified
service personnel!
Do not touch moving parts such as the driving belt.
extinguished lit
Remedial aCtiOn
• There is time before the water purifier experi-
ences an emergency stop. Prepare to replace
filter I and to clean the grid.
• check the feed pressure. If necessary, increase
the pressure.
• The system will attempt to restart automatically.
Make sure that the feed pressure is sufficient. If
necessary, change filters.
• If the calibration button is pressed, the system
will restart. Release the button as soon as the
filter I and Alarm light goes out.
• Check that there is nothing in the filter contain-
ers that is obstructing the water flow.
• If necessary, replace filter I or II.
• check the grid according to
.
gRID
• check that all the connections are watertight.
• If there is water on the base plate, lean the prod-
uct forward and wipe it up.
• A pressure increase pump for the feed water can
alleviate this.
• Check the parts that can affect the feed water's
pressure (water line, coarse filter, extra pre-fil-
ter).
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! CAUTION
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clEANINg ThE