ITC Hemochron Signature Elite Whole Blood Microcoagulation System User Manual
Page 75

75
TROUBLESHOOTING
Configuration Manager Error Messages
Problem
Cause
Corrective Action
CHKSUM error during data 
transfer 
Other software applications are 
open during data transfer. 
Close all applications 
including anti-virus programs 
during communications. 
Communication error/ 
Initialization error 
Incorrect cable is used or cable is 
not completely connected. 
Ensure proper cable is being 
used. Check cable 
connections. 
No COM Port
No COM Port available.
Use HCM to detect available 
COM Port 
Text crowded / Overlapping 
on screen 
Older computer graphics card
Does not affect program. 
Printouts will be correct. 
Instrument Error Messages 
The error messages that may be displayed while operating the HEMOCHRON Signature Elite instrument are 
listed below. The probable cause and corrective action are shown for each message. 
Some messages designate a test or sample fault. This message is included in the printed results for the affected 
sample. A list of these messages can be found in Acronyms for Error Messages on page 45. 
If needed, contact ITC Technical Support by phone at +1-732-548-5700, by FAX at +1-732-548-9824, or by e-
mail at [email protected]. 
Error Message
Cause
Corrective Action
RTC....FAULT
Can not communicate with 
external Real Time Clock. 
Contact ITC Technical 
Support. 
CHARGE BATTERY
Battery power depleted below 
predetermined level. 
Connect to AC/DC Power 
Module and charge battery for 
8 hours. 
BATTERY FAULT
Battery is discharged.
Charge battery for 8 hours. If 
message persists, contact ITC 
Technical Support. 
EXTERNAL TOO HIGH
AC/DC Power Module voltage 
exceeds 12.7 volts. 
Disconnect the AC/DC Power 
Module. Contact ITC Technical 
Support. 
BATTERY TOO HIGH
Battery voltage exceeds 8.8 volts.
Disconnect the AC/DC Power 
Module. Contact ITC Technical 
Support. 
Heater Too Cool
Incubator remained below 36 °C 
after 90 seconds of warming on 
external power or for up to 150 
seconds on battery. 
Repeat test, then charge 
battery. If message persists, 
contact ITC Technical Support. 
Heater Too Hot
Incubator exceeded 38 °C for 2.5 
seconds. 
Repeat test with new cuvette. If 
message persists, contact ITC 
Technical Support. 
