Blue I HydroGuard HG-302 Manual De Uso página 131

Alarm #
Combine CL Combine chlorine level is
A19
high
Replace
A20
DPD3
Temp Low A21
Temp High A22
Chlorine pump has been
active for more than a
Cl pump pre-determined time limit
Overfeed A23
time
Determine problem then
Chlorine level is below
Chlorine < 0.1 PPM. Opens Relay
A9
0.1
active for more than a
pH pump pre-determined time limit
A24
Overtime
safety reasons. System
Reset to turn back on.
Colorimeter Reading.
ORP
ORP is now controlling
Emergency -
chlorine until problem is
Mode
resolved (up to 3.5 days
Description
above alarm level.
Temp level is below
alarm level.
Temp level is above
alarm level
and has shut off for
safety reasons.
System Reset.
1 and Relay 2 - no Cl
feed.
pH pump has been
and has shut off for
Problem with
only).
Table 8: Troubleshooting for Specific Alarms
Symptom
High reading Alarm
No reagent in The
right bottle out of the
three.
Low reading Alarm
High reading Alarm
No Dosing and Cl will
reduce.
Check reagent flow from bottle
No chlorination
No Dosing, will
reduce pH
Should use with care.
This method as
disadvantages that
will not reflect same
results as normal
operation.
45
Solution / Suggestion
Replace reagent.
Probe connection failure.
1.Check set point for CL2.
Check dosing pump
malfunction/low rate. 2. check
for leakage or blockage in all
the injection pipes from
chlorine tank to pump and
from pump to injection point.
3. check for chlorine in the
tank . If everything seems to
be OK and the problem repeat
consider changing the
overfeed time limit to a higher
number
Compare to manual reading!
to colorimeter. Check/clean
solenoid valve (including
spring). Check correct water
flow. Verify piston movement
("mixing"). Check dosing
system from relay to dosing
pumps. Replace Reagents.
1.Check set point for pH.
Check dosing pump
malfunction/low rate. 2. check
for leakage or blockage in all
the injection pipes from
chlorine tank to pump and
from pump to injection point.
3. check for chlorine in the
tank . If everything seems to
be OK and the problem repeat
consider changing the
overfeed time limit to a higher
number
Function may be enabled,
after no solution for alarms
A3/4/5/6/7.