3--2
©
2012 Mobile Climate Control
T-348 Rev. 07/2012
3.2.5 Exit Alarm Queue
To exit the alarm queue press the ON/OFF key
once, or if no key is pressed for 30 seconds it will reset
to normal mode.
3.3 TROUBLESHOOTING
General procedures for system troubleshooting are
provided in Table 3-3
3.3.1 Troubleshooting No CAN Communication
Follow these steps:
1. Connect the Micromate display unit.
2. Check that the parameters are displayed by the
Micromate display unit.
3. If no parameters are displayed, STOP. The Mi
cromate logic unit is bad.
4. Use an RS232 USB cable to connect a laptop USB
port to the Micromate Logic unit.
5. Launch HyperTerminal software by clicking on
“start\
All Programs\accessories\communications\Hy
perTerminal”.
6. With the Caps Lock set, press the “S” and “5”
keys in unison, then press “Enter”.
7. With the Caps Lock set, press “O” and press
“Enter”.
8. A stream of five 2 digit numbers starting with
“3D”should be shown.
3D 00 E6 DD 5C
3D 00 FF C4 41
3D 00 EB D8 35
9. If no digits are streamed, STOP. The Micromate
Logic unit or the interface connection is defect
ive.
10.Connect the RS232 USB cable to the Gateway
RS232 connector.
11.The following 3 repeating streams should be
shown.
T18FFDD1980000000000000000
T18FFDE1980000000000000000
T18FFDD19800FF00000000FFFF
T18FFDD1980000000000000000
T18FFDE1980000000000000000
T18FFDD19800FF00000000FFFF
12.If no 3 repeating streams are shown, STOP. The
Gateway unit is bad.