Directions for use
Maintenance and troubleshooting
57
Check the printer/charger
Pressing the FEED and PRINT buttons simultaneously causes a test pattern to print, as
shown below.
T
r
o
u
bleshooti
n
g the Ha
n
dle
Symptom
Possible Ca
u
se
Possible Sol
u
tio
n
Handle does not turn on
No battery.
Put battery in. Reset the battery protection circuit.
Battery is in backwards.
Reposition the battery observing correct polarity. Reset
the battery protection circuit.
Battery is not charged/dead.
Charge/replace the battery. Reset the battery
protection circuit.
If symptom still persists, return to local Welch Allyn
service location for service.
Battery protection circuit was
not reset.
Place the Handle in the Printer/Charger for a minimum
of 10 seconds to reset the battery protection circuit.
Too much artifact on LCD
Too much movement during
test.
See
page 37
.
Handle has too much internal
noise.
Check handle in MicroTest cavity. If handle passes
functional check, artifact is due to motion. If handle
does not pass functional check, return to Welch Allyn
service location for service.
“Frozen” display on LCD
OR
“Checkerboard” pattern on
LCD
Microcomputer has
malfunctioned.
Push TEST and repeat.
If symptom persists, push all three handle buttons
(TEST, R MEM, L MEM) simultaneously to reset
microcomputer.
If symptom persists, remove and reinsert the battery.
If symptom persists, return to local Welch Allyn service
location for service.
1 Test Patte
rn
2 Softwa
r
e Ve
r
sio
n
3
No
r
mative Data Refe
r
e
n
ce
Содержание MicroTymp 3 Handle
Страница 1: ...MicroTymp 3 portable tympanometric instrument Directions for use...
Страница 6: ...vi Contents Welch Allyn MicroTymp3 portable tympanometric instrument...
Страница 16: ...16 Introduction Welch Allyn MicroTymp3 portable tympanometric instrument...
Страница 22: ...22 Completing a test Welch Allyn MicroTymp3 portable tympanometric instrument...
Страница 30: ...30 Understanding the LCD messages Welch Allyn MicroTymp3 portable tympanometric instrument...
Страница 48: ...48 Printing 226 Hz results Welch Allyn MicroTymp3 portable tympanometric instrument...
Страница 72: ...72 Specifications Welch Allyn MicroTymp3 portable tympanometric instrument...