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230750-101 Rev. G
27
Troubleshooting
The table below provides a guide for troubleshooting some basic
Tono-Pen AVIA Vet tonometer operational problems. If a problem
persists after using this guide contact Reichert technical services.
SYMPTOM
PROBABLE CAUSE
CORRECTION
Battery symbol
flashes
Low Tono-Pen AVIA Vet
POWERCEL Battery
capacity
Replace Tono-Pen AVIA
Vet POWERCEL Battery
Multiple
inaccurate
readings
Improper technique
(Example: too much or
too little force used, taps
too long, device not held
perpendicular to the
patient’s eye)
Review “APPLANATION”
Section of this manual
Old or improperly applied
Ocu-Film + tip cover being
used, or non-Reichert tip
cover being used
Replace Ocu-Film
tip cover
Debris in tip
Clean tip
Mechanical or electronic
damage
Arrange for service
through Reichert Technical
Service Group
No beeps and/or
no dashes upon
activation
Activation button not
properly pressed
Press Activation button
No Tono-Pen AVIA Vet
POWERCEL Battery
capacity
Replace Tono-Pen AVIA
Vet POWERCEL Battery
Mechanical or electronic
damage
Arrange for service
through Reichert Technical
Service Group
Verification
Failure
Debris in tip
Clean tip
Compressed air
cleaning has lowered
the temperature of the
instrument
Allow Tono-Pen AVIA Vet
tonometer unit to warm to
room temperature