Blue I HydroGuard HG-302 Manual De Uso página 130

Alarm #
Unclean Cell A6
relay , external alarm.
Replace
A7
Light
level reaches 20%, and
Low
A8 notifies how many days
Reagents
are left until the reagents
Redox (ORP) is above
Relay 1 and Relay 2. No
High ORP A10
override the free chlorine
Redox (ORP) is below
Low ORP A15
Low
A11
Chlorine
High
A12
Chlorine
Total CL
A18
high
Acid/base level is below
Low pH A13
Acid/base level is above
High pH A14
High NTU A16
flow Switch indicating no
External Off
A17 flow. Stop all chemical
alarm
Description
Impurities have
accumulated in the
colorimeter analyzing
cell. Stops chlorine
feeding and activates
The LED light in the
colorimeter is not
working. Insufficient
connection on board
Starts when reagent
are depleted.
alarm level. Opens
Cl feed. Used as a
safety measure to
measurement.
alarm level.
Free Chlorine level is
below alarm level.
Free Chlorine level is
above alarm level.
Total Chlorine level is
above alarm level.
alarm level.
alarm level
NTU level is above
alarm level.
Connections External
dosing (all relays are
open)
Symptom
No reading
No reading
Change colorimeter assembly
Message - NOT an error. Info
No symptom
Low reading Alarm
Check reagent flow from bottle
High reading Alarm
flow. Verify piston movement
High reading Alarm
Low reading Alarm
High reading Alarm
High reading Alarm Check wiper movement. Clean
Problem not coming Make connection on I/O board
from Circulation
system. No external
flow sensor installed
44
Solution / Suggestion
Clean tube. Authorized
technician, may open the
cover and clean the
sensor/lamp. Change
colorimeter if repeating.
can resoder LED connection.
indicating replacing is soon
needed.
Compare to manual reading!
Check unstable reading, due
to grounding. Check the
correct set point. Recheck in
24H and recalibrate
Check/replace probe. Check
connection to board. Change
probe if necessary.
Compare to manual reading!
to colorimeter. Check/clean
solenoid valve (including
spring). Check correct water
("mixing"). Check dosing
system from relay to dosing
pumps. Replace Reagents.
Compare to manual reading!
Check Stable reading, due to
and grounding. Check the
correct set point. Check
connection to board. Change
probe if necessary.
Check constant reading.
Compare to manual reading.
sensor window. Change if
necessary.
Check shortcut with DVM.
with flow sensor on
connections 5 + 6 or wire to
complete circuit. Change
board if necessary.