2--6
©
2012 Mobile Climate Control
T-348 Rev. 07/2012
2.4.4 Test Mode
With the system in normal operation, the controller
may be placed in the test mode, by doing the
following:
a. Enter the diagnostic mode by pressing the UP and
DOWN arrow keys simultaneously for 3 seconds.
b. Enter the test mode immediately by pressing the
COOL button five times.
c. If an alarm is present, press the UP arrow key until
“---” is displayed.
d. In the test mode, the display will read “T##”
where “##” indicated the test number that is cur
rently running.
e. The initial indication will be “T00”. This indicates
the controller is in the test mode and all relays are
de-energized. Press the DOWN arrow key to
bring the Micromate to the next test screen and
energize the corresponding component(s). Press
the UP arrow key move backwards through the
list. A listing of tests is provided in Table 2-4.
f. To terminate testing, press the I/0 key.
Table 2-4. Controller Test List
TEST
OUTPUT
STATE
T00
All Relays
Off
T01
Evaporator Fans High
On
T02
Evaporator Fans Low
On
T03
Condenser Fans High
On
T04
Condenser Fans Low
On
T05
Compressor & Liquid
Line Solenoid
On
T06
Unloader Valve 1
On
T07
Unloader Valve 2
On
T08
Not Applicable
On
T09
Reheat Coolant Valve
On
T10
Fault
On
T11
Boost
On
T12
Spare/Motor Input/
On
Floor Blower
