Mbr Process Trouble Shooting; Biological System - ProMinent DULCOMETER PH-501 Assembly And Operating Instructions Manual

Alarm
Alarm Name
Location
MEMBRAN
P-901 FAIL
E PERM 1
BLDG-7901
TALL-7901
AIR
EXCHANGE
B-7901 FAIL
BLDG-7901

7.5.3 MBR Process Trouble Shooting

The following newterra MicroClear™ MBR WWTP troubleshooting guide can be used as a
quick reference. If any of the problems discussed in this section or other difficulties persist,
consult newterra ltd.

7.5.3.1 Biological System

Condition
Mixed liquor is
black or dark
brown
Mixed liquor
concentration is
too high or too low
No mixing in tanks
newterra O&M Manual
© 2017 by newterra, ltd.
All rights reserved. No part of this document may be reproduced or transmitted in any form or by any means, electronic, mechanical,
photocopying, recording, or otherwise, without prior written permission of newterra ltd.
Alarm Beacon
Description
Pump P-901
has FLASH
potentially WARN
failed
Low low
Temperatur FLASH
e alarm for WARN
building
Potential
FLASH
blower
WARN
failure
Possible Cause
Insufficient aeration is
supplied for mixed liquor
and/or plant is under-
loading
Sludge wasting rates are
incorrect
Blowers failure
1291 California Avenue, Brockville, ON K6V 5W3
Troubleshooting
Recommendatio
Status
n
Check pump P-
901 for failure
Check for
vacuum leak or
membrane failure
and operation of
permeate pump
Check if electric
heaters have
failed or if BLDG
door is open
Check motor
breaker
Potential Remedies
Increase aeration rate and keep it above 1
mg/L Waste more sludge
Increase influent feed rate if required
Review operation of the activated sludge
process and revise the sludge wasting
rates as necessary
Check for electrical/blower failure, and
replace blowers as necessary
newterra ltd.
(800) 420-4056 / www.newterra.com
Remedy Action
Replace pump P-901
Repair and replace as
required
Repair or replace
heater(s) if required.
Repair and replace as
required
Turn breaker on
119