Nova-Tech DO 6+ - Manual (Page 37)

Instruction Manual DO 6+
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6.2 Electrolyte Solution
The electrolyte solution in your probe’s cap will deplete on usage and will need
to be replaced periodically. The replacement electrolyte solution included with
your probe comes premixed and ready to use. To order more electrolyte
solution, Section 11 – REPLACEMENTS AND ACCESSORIES.
7. TROUBLESHOOTING
Problem Cause Solution
No display
when
turned on a) Batteries not in place
b) Batteries not in correct
polarity (+ / – position)
c) Weak batteries
a) Ensure batteries are in place and
making good contact
b) Re-insert batteries with correct
polarity
c) Replace batteries
Unstable
readings a) Insufficient electrolyte in
probe
b) Air bubbles trapped around
the probe
c) Dirty or damaged probe
d) Probe not deep enough in
sample
e) External noise pickup or
induction caused by
nearby electric motor
f) Broken probe
a) Fill probe with electrolyte & / or
replace pre-assembled cap
b) Stir or tap probe to remove
bubbles
c) Clean the probe and re-
calibrate
d) Make sure sample entirely
covers the probe sensors
e) Move or switch off interfering
motor
f) Replace probe
Slow
response a) Dirty / Oily probe
b) Temperature is changing
a) Clean probe
b) Allow temperature to stabilize
No
response
to key
press a) HOLD in use- indicated
by flashing display
b) Damaged pad
c) Internal program error
a) Press HOLD/ENTER
b) Return to dealer
c) Reset by reinserting batteries