Faults
76
the meter
- after changing the membrane set
- after changing the battery
12 Faults
Fault
Possible cause
Remedy
It is not possible to power
on the device.
•
Pressed the power
on button too briefly.
•
Batteries are flat or
battery connection
fault
•
Power on again.
•
Place the batteries correctly
in the compartment or re-
place
•
Low battery power
•
Replace batteries
•
Never use old and new
batteries at the same time
pH reading not stable
•
Test pH probe too
old
•
Replace pH probe.