TSI Incorporated 8710 DP-CALC Operation And Service Manual page 57

Error Code Possible Causes
37 There was an error reading the AD7708 A
to D converter.
38 There was an error reading the AD7718 A
to D converter.
39,40, 41,42 Error in logged data.
43 Could not send RS232 data because the
receiving device was busy >10 seconds.
50 Pressure sensor zero voltage is too high.
51 Pressure sensor gain out of range.
52 Lithium battery voltage is too low.
53 AD7708 A to D converter calibration
factor out of range.
54 AD7718 A to D converter calibration
factor out of range.
55 User entered flow temperature out of
range.
56 Barometric pressure zero factor out of
range.
57 Barometric pressure span factor out of
range.
58 Offset factor for user temperature sensor
calibration out of range.
59 Slope factor for user temperature sensor
calibration out of range.
60 Humidity sensor voltage at 20% RH out of
range.
61 Humidity sensor voltage at 80% RH out of
range.
62 Pressure sensor gain factor A out of range.
63 Pressure sensor gain factor B out of range.
64 Pressure sensor gain factor C out of range.
50 Model 8710 DP-C
TM
Micromanometer and Model 8375 A
ALC
Corrective Action
Return to factory if error re-occurs.
Return to factory if error re-occurs.
If using accessory temp/humidity probe,
make sure probe securely connected.
Erase logged data.
Make sure printer or computer is ready
to receive. Check RS232 interface
cable.
Return to factory if error re-occurs.
Perform user calibration or return to
factory.
Replace lithium battery or return to
factory.
Return to factory.
Return to factory.
The micromanometer has reset the
temperature to 70.0°F (21.1°C) to
correct it.
Return to factory.
Return to factory.
Re-do user calibration, set temperature
sensor calibration to FACT, or return to
factory.
Re-do user calibration, set temperature
sensor calibration to FACT, or return to
factory.
Perform user calibration or return to
factory.
Perform user calibration or return to
factory.
Perform user calibration or return to
factory.
Perform user calibration or return to
factory.
Perform user calibration or return to
factory.
®
B
CCU ALANCE
Air Balancing Tool