-Error Codes: DTP41
00 = NO ERROR -No Error
01 = MEASUREMENT STATUS -Measurement complete
02 = CALIBRATION STAUS -Calibration complete
03 = KEYPRESSED STATUS -A Key was pressed
11 = BAD COMMAND -Command is unrecognized
12 = BAD PARAMETERS -One or more parameters missing or too many parameters given
13 = PRM RANGE ERROR -One or more of the parameters is out of range
14 = BUSY -Instrument is currently busy command ignored
20 = MEASUREMENT ERROR -General measurement error
21 = TIMEOUT
22 = BAD STRIP
23 = BAD COLOR
24 = BAD STEP
25 = BAD PASS
26 = BAD PATCHES
27 = BAD READING
28 = NEEDS CAL ERROR -Instrument requires a new calibration error
29 = CAL FAILURE ERROR -Calibration failed
30 = INSTRUMENT ERROR -General internal instrument error
31 = LAMP ERROR
32 = FILTER ERROR
33 = FILTER MOTOR ERROR
34 = DRIVE MOTOR ERROR
35 = KEYPAD ERROR
36 = DISPLAY ERROR
37 = MEMORY ERROR
38 = ADC ERROR
39 = PROCESSOR ERROR
3a = BATTERY ERROR
3b = BATTERY LOW ERROR
3c = INPUT POWER ERROR
3d = TEMPERATURE ERROR