Troubleshooting guide – Nova-Tech pH 700 Ion 700 User Manual
Page 13
6. TROUBLESHOOTING GUIDE
PROBLEM CAUSE
SOLUTION
No display
a) Main power not
switched on.
b) AC Adapter
socket not
inserted
properly.
a) Switch on the power supply.
b) Re-insert AC Adapter & press
.
a) Insufficient
reference
electrolyte in
electrode.
a) Fill electrode with reference electrolyte.
b) Broken
electrode.
b) Replace electrode.
c) External ‘noises’
or induction
(e.g. electrical
‘noise’ caused
by a nearby
motor).
c) Remove or switch off interfering device.
Unstable
reading
d) Dirty electrode.
d) Clean & rehydrate the electrode.
Slow
response
a) Dirty electrode.
a) Clean & rehydrate the electrode.
Meter not
responding
to key press
a) HOLD mode
in operation.
b) Bad keypad.
a) Press
to deactivate. See SETUP
to disable Auto Hold feature if enabled.
b) Contact Technical Service.
11
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