Chapter 4: Fault Finding; Overview Of The Status/Alarm Led; Trouble Shooting Guide - BWT Bestaqua 22 HQ Instrucciones De Montaje

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4.1 Overview of the Status- and Alarm LED
Status and alarm:
ready/READY
working/WORKING (production)
flush/FLUSH (rinsing)
PAUSE/ EXT. PAUSE
External pause (Option)
Service (maintenance)
Alarm
Unit OFF (without current)
Reset of alarms by the customer:
Please observe: In any case of a failure with a permanently red lightning LED, the operator must check the RO unit and if
necessary switch it off (unplug the mains plug) and have to wait briefly (approx. 10s) before turning on the RO unit again.

4.2 Trouble shooting guide

Observe: In case of a failure of the unit will read out an error code on the display. Please read each given error code
text and resolve them with the descriptions from the following list.
Alarm / malfunction list:
SERVICE
1: "SERVICE"
2: "Water shortage"
l e a k a g e
l e c k a g e
f u i t e d ´e a u
a l l a g a m e nt o
3: "leakage"
(continuos warning sound)
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LED colour / indication:
green / flashing
●
green / lights up
●
green / lights up
green / flashing
green / flashing
●
red / lights up
● red / lights up
Off ...
Possible reasons:
Carrying out service work
valves or other closings at the inlet
Technical defect
Pre-filter is blocked
Technical defect
Description of the unit status:
Ready for new permeate demand
Unit produces permeate (pure water)
Rinsing
Unit are in the PAUSE mode
PAUSE mode via an external control (installation option)
RO requires service, please contact customer service
Indication of a failure event
Unit is off-line
Acknowledgement:
Call SERVICE team
Repair defect parts
Check the shut-off valves and open it if ne-
cessary check the water supply (2-4 bar)
Check the filter and replace if necessary.
Observe the operating instructions of the
external pre-filter.
Unplug the mains plug and connect the
mains plug after 5 seconds.
Call SERVICE team
Separate the unit from the power-supply and
the water network
Call SERVICE team