Blue I HydroGuard HG-302 Manual De Uso página 146

6.2.3.2 Alarms
The table below lists and describes the HydroGuard alarms, and the relays they activate.
Alarm
#
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
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Alarm
No flow
Low flow
Check CLRMTR
connect.
No reagents
Stuck piston
Unclean cell
Replace light
Low reagents
Chlorine < 0.1
High ORP
Low chlorine
High chlorine
Low pH
High pH
Low ORP
High NTU
EXTERNAL OFF
Total Cl high
Combine Cl high
Replace DPD3
Temp. low alarm
Temp. high alarm
Cl overfeed time
pH overfeed time
No Emergency No problem to allow ORP emergency mode
Description
Flow switch on flow cell is off
external flow meter below minimum flow
Communication error between colorimeter
and colorimeter board
Reagents are empty
Piston is not moving properly
glass in colorimeter is dirty
LED in colorimeter is not working
Reagents are below 20%
Chlorine unusually low
ORP above high limit
Cl below low limit
Cl above high limit
pH below low limit
pH above high limit
ORP below low limit
Turbidity above high limit
external flow switch is off
Total Cl above high limit
Combined Cl above high limit
DPD3 low
Temperature below low limit
Temperature above high limit
Cl dosing on for longer than max time
pH dosing on for longer than max time
60