
7
Troubleshooting
30
a) Ensure batteries are in place
and making good contact
b) Re-insert batteries with correct polarity
c) Replace batteries
a) Fill probe with electrolyte & /
or replace pre-assembled cap
b) Stir or tap probe to remove bubbles
c) Clean the probe and recalibrate
d) Make sure sample entirely
covers the probe sensors
e) Move or switch off interfering motor
f) Replace probe
a) Clean probe
b) Allow temperature to stabilise
a) Batteries not in place
b) Batteries not in correct
polarity (+/– position)
c) Weak batteries
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) Dirty/Oily probe
b) Temperature is changing
No display
when
turned on
Unstable
readings
Slow
response
a) Press HOLD/ENTER
b) Return to dealer
c) Reset by reinserting batteries
a) HOLD in use - indicated
by flashing display
b) Damaged pad
c) Internal program error
No
response
to key
press
Problem
Cause
Solution
Micro600DO_ZI INST 1240 16/9/15 12:57 Page 30