Canon TX-20 Full Auto Tonometer - Manual (Page 83)

7Troubleshooting
83
Warning
Code Cause Remedy
231
Auto-alignment stopped because the limit of motion (to
right) of the measurement unit was detected during auto-
alignment.
1) Record the message code, contents (including error
codes) and then execute [OK].
2) Be sure that the patient’s forehead and chin are firmly
against the forehead rest and chin rest and then do
measurement again.
232
Auto-alignment stopped because the limit of motion (to
left) of the measurement unit was detected during auto-
alignment.
233
Auto-alignment stopped because the limit of motion (up) of
the measurement unit was detected during auto-alignment.
234
Auto-alignment stopped because the limit of motion
(down) of the measurement unit was detected during auto-
alignment.
235
Auto-alignment stopped because the limit of motion
(forward) of the measurement unit was detected during
auto-alignment.
236
Auto-alignment stopped because the limit of motion
(backward) of the measurement unit was detected during
auto-alignment.
237
Auto-alignment stopped because the set stop position of
the nozzle was detected during auto-alignment.
1) Record the message code, contents (including error
codes) and then execute [OK].
2) Do the following and do the measurement again.
• Press the LIMITER button to reset the position where the
nozzle stops.
• Be sure that the patient’s head and chin are firmly
against the forehead rest.
238
Operation stopped because a button or the operation lever
was operated during auto-alignment.
1) Record the message code, contents (including error
codes) and then execute [OK].
2) Do the measurement again.
241
Measurement stopped because an intraocular pressure
measurement error occurred during full auto-alignment
measurement.
1) Record the message code, contents (including error
codes) and then execute [OK].
2) Do the measurement again.
242
The measured intraocular pressure is over the value set for
the [Upper IOP Warning].
243
The measured intraocular pressure is below the value set
for the [Lower IOP Warning].
244
Auto-alignment stopped because the measurement unit
and the chin rest may be interfering with each other.
1) Record the message code, contents (including error
codes) and then execute [OK].
2) Be sure that the patient’s head and chin are firmly against
the forehead rest.
L-IE-5191C_TX-20.indb 83 2013/07/18 13:10:41