IPS Controllers M820 - Troubleshooting; pH Level Troubleshooting; Chlorine;Bromine Level Troubleshooting

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M820 pH/Dual ORP Controller Owner’s Manual
IV. Troubleshoong
A. pH level too low or Alert Led On
1. pH Set level is too low: Check pH level with test kit and adjust
as necessary.
2. Chemical dose me too high: Lower dose me.
3. Chemical feeder is empty (base): Rell the feeder.
4. Sensor malfuncon: Replace sensor.
*Low alkalinity can also cause pH to dri to lower levels. Always
target 80-120ppm
B. pH level too high or Alert LED On
1. Sensor p is dirty: Clean according to maintenance
instrucons.
2. Improper pH sensor calibraon: Adjust pH calibraon.
3. Chemical feeder is empty (Acid): Rell the feeder.
4. Chemical feed pump or squeeze tube malfuncon: Repair the
feed pump or replace the squeeze tube. A squeeze tube will
last 3-6 months for commercial properes and 6-12 months for
residenal properes.
5. Chemical dose me too low: Increase dose me.
*High alkalinity will require more acid than usual to maintain pH
levels. Always target 80-120ppm
C. Chlorine/Bromine level too low or Alert LED On
1. pH should be at your desired set level before addressing any
potenal ORP problems.
2. ORP Set level is too low: Check Sanizer level with test kit and
adjust set Level as necessary