Preliminary Bench Test for MicroTymp 2 23641 continued:
7 Calvin Calibration for “Needs Cal”
7.1 — Select Main Menu option #2 “Calibration Tools”. ENTER
7.2 — Select Tools Menu option #1 “I2E2 Prom Editor”. ENTER
7.3 — Wait 5 seconds for CALVIN to display PROM REGISTER
Observe data in registers 2E and 2F.
2E should read FA
2F should read CE
7.4 — If data varies from above, enter correct data in by moving the cursor to register
2E and typing in FA. Do not press ‘enter’. The cursor will automatically go to
position 2F. Then type in CE. Do not press ‘enter’.
Note:
The entered data causes those locations to turn yellow.
7.5 — Observe registers AC, AD, AE. They should read 00 (no data)
Data may be present if unit had a “NEEDS CAL” message.
7.6 — Erase any data in these registers by moving the cursor to each register and
typing in 00. Data will turn yellow. Press ENTER after AC AD and AE data is
erased.
7.7 — Unit will Update registers then Tools Menu will be automatically displayed.
7.8 — Remove MT2 handle from Calvin and install fully charged battery.
7.9 — MT2 will display “OPEN” message. (working mode)
7.10 — If a “NEEDS CAL” message re-appears, there is a hard failure.
Perform troubleshooting for failed component(s).
Two common causes of “NEEDS CAL” error message are:
“Pressure Transducer Error” is caused by blocked tube(s).
Refer to section 4.5 of NEEDS CAL TROUBLESHOOTING GUIDE,
found in MicroTymp2 Service Manual #236409.
“Home Pump Error” can be caused by one or combinations of : bad
motor, cold solder joint, bad optical interrupt, or loose pulley. Piston is off
pulley. Refer to section 3.5 of NEEDS CAL TROUBLESHOOTING
GUIDE, found in MicroTymp2 Service Manual #236409.
END Preliminary Bench Test for MicroTymp 2 23641
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