1-21
Alarm 61 --- Defrost Termination Thermostat
Open Failure
Alarm 61 is an indication of a DTT stuck open
failure. It is activated if DTT is not sensed closed 30
minutes after power up or 30 minutes of compressor run
time with primary return temperature below 7
_
C (45
_
F).
Alarm 62 --- Heater
Alarm 62 is the heater alarm caused by improper
amperage
resulting
from
heater
activation
(deactivation). Each phase of the power source is
checked for proper amperage.
This alarm is a display alarm with no resulting failure
action, and will be reset by a proper amp draw of the
heater.
Alarm 63 --- Compressor Motor
Alarm 63 is triggered by improper current draw
increase (decrease) resulting from compressor turn on
(off). The compressor is expected to draw a minimum of
2 amps; failure to do so will cause the alarm.
This is a display alarm with no associated failure
action and will be reset by a proper amp draw of the
compressor.
Alarm 64 --- DataCORDER Low Battery
(not applicable for some units)
Alarm 64 is an indication that the DataCORDER
battery is low. It is a display alarm and will only be reset by
replacement of the battery.
Alarm 65 --- Current Limit
Alarm 65 is triggered within the current limiting
system. If the compressor is ON and current limiting
procedures cannot maintain a current level below the
user selected limit, the current limit alarm is activated.
This alarm is an inactive display alarm and is
inactivated by power cycling the unit or changing the
current limit via the code select Cd31.
TP00
(not applicable for some units)
This alarm indicates that the memory is almost full
and the recorder will soon start to overwrite the oldest
data.
TP01
(not applicable for some units)
This alarm indicates that the recorder is overwriting
the oldest data. This will happen approximately every
55-62 days depending on the number of events that have
been stored with the temperature data.
It is
recommended that data be downloaded from the
recorder to safe storage at the end of each trip and no
later than when a TP00 alarm occurs. Otherwise data will
be lost.
NOTE
TP00 and TP01 alarms are reset by trip starting
the unit and then pressing the alarm reset and
Enter
key.
ERR #
The microprocessor performs self-check routines. If
an internal failure occurs, an ERR #0-4 will appear on
the display. This is an indication the microprocessor
needs to be replaced.
LO
This message will be alternately displayed with the
set point whenever the main voltage drops more than
20% of its proper voltage. The unit may operate at even
lower voltages, but damage to motors may occur.
1.13.6 Pre-Trip Inspection
CAUTION
Pre-Trip inspection should not be performed
with critically controlled cargoes loaded into the
container.
The following is the sequence the microprocessor
performs when pre-trip inspection is initiated. To initiate
pre-trip, push the
pre-trip
key and within 5 seconds, the
Enter
key. As each test is successfully completed, the
word “pass” will appear in the right-hand side display
window. The individual test code is displayed in the
left-hand side window.
If a failure should occur, the microprocessor will
indicate this by displaying the word “fail” in the right
window. The return and supply indicators will also
alternately flash. This will continue until the user
provides further instructions. Pressing the
down arrow
will cause the last test series to be repeated. This is
recommended to avoid being misled by an erroneous
reading. Pressing the
up arrow
will start the next test in the
sequence.
When no problems are encountered, pre-trip will
finish and the unit will return to normal control mode
operation. To exit pre-trip at any time, press the
pre-trip
key and hold it for 1 second. A delay of up to 5 seconds
may be encountered.
NOTE
The compressor time guard may be in effect
upon completion of pre-trip. Consequently the
compressor may not start for up to 6 minutes.
Tests are performed by measuring temperatures or
amperage of the individually tested components. These
values are compared to proper values and the “Pass/Fail”
indication given.
Test Codes:
P Pre-Trip Initiated
All lights LED’s and LCD segments are turned on for
visual inspection.
P1-0 Heaters Turned On
Amperage measurements are made.
Failure is an indication of faulty heater(s) or
improper wiring.
P1-1 Heaters Turned Off
Amperage should be zero.
Failure indicates contactor has remained (arced)
closed, or current sensor is reading improperly.
P2-0 Preheaters Checked (If so Equipped)
See P1.
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