
ThermaChoice UBT System Service Manual
2- 1
P/N 01035 Rev. C
Section Two
Diagnostic and Troubleshooting Guide
Error Codes
The instrument will perform a power-up self test every time the unit is started. If an
error is detected, it will appear on the display if possible.
Note:
The Error Code Format is: xxyy, where xx=error code and yy=system state. Reference
the first two numbers on the display for use with the table below.
Problem or Error No.
Probable Source of Problem Notes
Blank Display no Audio
Power Supply, Micro Board,
Display, ISO Board, or AUX
Board
Blank Display w/ Audio
Micro or Display
00, 01, 02, 03, 12
Micro
If unit consistently
displays these unused
error codes
MDU Warning
MDU
17
PS or Micro
26, 29, 30
AUX or Micro
28, 31, 33, 35
ISO or Micro
50,.58, 68
Disposable or Umb or ISO or
Placement
59, 60, 61, 64 66
AUX or PS
Test Procedure Update
Required, Check output
of TP19, and TP31
62, 63
Micro or Pressure Fittings & Lines
65
AUX or ISO or Micro
Diagnostic and Troubleshooting Decision Trees
The following pages contain diagnostic and troubleshooting flowcharts.
Warning:
The following diagnostic and troubleshooting flowcharts, the repair procedures in
Section Four, and the controllers’s start-up diagnostic test will not detect faults in the
heater circuit or the motor drive unit. If you suspect a problem with either of these field
replaceable units, send the device to the authorized Gynecare service center.
Notes:
1.
Decision trees cover single faults.