ProMinent DULCOMETER PH-501 Assembly And Operating Instructions Manual page 583

Alarm
Alarm Name
Location
AERATION
TANKAERA
PHAL-501
TION TANK
AERATION
TANKAERA
PHAH-501
TION TANK
AERATION
TANKAERA
DOAL-501
TION TANK
AERATION
P-501 or
TANK
P-502 FAIL
newterra O&M Manual
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Alarm Beacon
Description Status
Low pH
AlarmLow
WARN
low in
WARN
Aeration
Tank
High pH WARN
alarm WARN
Dissolved
WARN
Oxygen
WARN
Alarm low
Pump P-501
or P-502
FLASH
has
WARN
potentially
failed
1291 California Avenue, Brockville, ON K6V 5W3
(800) 420-4056 / www.newterra.com
Troubleshooting
Recommendatio
n
Check if caustic
injection system
is working and or
needs refill
injection system or
Check if the pH
probe is fouled or
probe. Calibrate pH
if the probe
requires
point temperature.
calibration. Check
setpoint
temperature.
Check if caustic
injection system Replace caustic soda
is malfunctioning injection. Calibrate
or if PH probe is pH probe or clean
calibrated or
fouled.
Investigate if
there is septic
smell & check the
Increase aeration rate
mixing pattern. If
to maintain DO above
system smells
1.5 mg/L, or replace
septic with no
clogged diffuser, or
uniform mixing,
change blower, or
air diffuser might
calibrate or clean DO
be clogged,
blowers may not
caustic soda injection.
work or plant is
Calibrate pH probe or
overloaded.
Ensure DO probe
is calibrated and
clean.
Check pump P-
501 or P-502 for Replace pump P-501
failure. Check
Breaker
newterra ltd.
Remedy Action
Replace caustic
refill. Clean pH
probe. Adjust set
sensor
probe. Replace
clean sensor
or P-502.
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