62-11039 3-6
3.5 PRETRIP
COOL DEFROST ALARM START-STOP
SETPOINT BOX TEMPERATURE
ALARM LIST
SELECT
MANUAL
DEFROST
HEAT CONTINUOUS
TEST #1
PPPP
2. Press the SELECT key until the MessageCenter
displays “PRESS THE = KEY TO START PRETRIP”
.
3. Press the = key to start PRETRIP.
4. Verify that during TEST#1 the complete display is turned on, that the buzzer comes
on and that all lights on the Light Bar come on.
5. The remainder of Pretrip will take 7 to 15 minutes, and will run itself automatically.
START--STOP/
CONTINUOUS
1. Place RS in “START/RUN” position.
The PRETRIP mode is for checking unit operation and
evaluating operation of all modes. It will indicate a failure
when one is detected.
TIP
All compartments will be tested whether
compartment switches are in ON or OFF posi-
tion.
A Pretrip can be started with any box tempera-
ture.
The MessageCenter displays the current test and the %
complete of the test. When the Pretrip tests are
complete the MessageCenter will display one of three
different messages:
S“PRETRIP PASS” or
S“PRETRIP FAIL IN TEST X” or
S“PRETRIP FAILED & COMPLETE” and alarm light is
ON
Press the ALARM LIST key to review the alarms
triggered by the Pretrip tests.
TIP
The Pretrip test “PASS” results message will
stay displayed until a key is pressed, or until the
RS switch is in the Off position.
The Pretrip test “FAIL” results message will
stay displayed until the alarms are cleared
Once Pretrip is started, the control panel keys are
disabled until Pretrip is completed.
TIP
If “CAN NOT START PRETRIP” is displayed in
the MessageCenter, check to see if the unit is in
PC Mode (Refer to Section 5.1) or defrost
mode, or check the alarm list (Section 7) for ac-
tive shutdown alarms.
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