Service manual

6-29
T-294-01
3. Place strap on wrist and attach the ground or clip
end of the wrist strap to any exposed unpainted
metal area on the refrigeration unit frame (bolts,
screws, etc.).
4. Carefully remove the Controller/DataCORDER.
Do not touch any of the electrical components if
possible. Place the module on the static mat.
5. If you are servicing the refrigeration unit, you are
freetoremovethegroundstrapfromyourwristand
complete your work.
6. Upon completion of your service work, put the
wrist strap back on, and re-install the module i nto
the refrigeration unit.
b. Removing and Installing the
Controller/DataCORDER Module
Removal:
1. Disconnect all front wire harness connectors (MA,
MB, MC, KA& KB) and move wiring out of way.
2. Loosenonemounting screw(seeFigure 6-32,item
1)andpulloutthetopofthemodule(item2).Liftup
and out.
3. Turning the module around will give access to the
two back connectors (EC) which can be
disconnected. Remove module.
4. RemovethenewController/DataCORDERmodule
from its packaging andinstall it in therefrigeration
unit. Placethe old module into thesamepackaging
that accompanied the new module. Make sure that
youpackageitintheexactmannerthatyoureceived
it.
NOTE
Thispackaginghasbeendesignedtoprotectthe
Controller/DataCORDER module from both
physical and electrostatic discharge damage
during storage and t ransit.
Installation:
Install the module by reversing the steps in section
6.27.b.
Torque values for mounting screws (item 1,
Figure 6-32) are 0.23 m kg (20 inch-pounds), and 0.12
mkg (10 inch-pounds) for all connectors (MA, MB,
MC, KA & KB).
123 4
1. Controller/DataCORDER Software
Programming Port
2. Mounting Screw
3. Controller/DataCORDER Module
4. Test Points
Figure 6-3 2. Contr oller side of the Contr ol Box
6.27.1 Controller/DataCORDER Programming
Procedure
To load new software into the module, the
programming card is inserted into the
programming/software port.
WARNING
The unit must be OFF whenever a
programming card is inserted or removed
from the programming/software port.
The metal door on th e programming card
must be facing to the left when inserting.
a. Procedure for loading Operational Software
1. Turn unit OFF, via start-stop switch (ST).
2. Insert the programming card for Operational
Softwareintotheprogramming/software port. (See
Figure 6-32)
3. Turn unit ON, via start-stop switch (ST).
4. The Display module will read:
(a.) If the correct card is being used the digital
display will alternate back and forth between
the messages“rEV XXXX” and “Press EntR.”
(b.)If a defective card is being used: the Display
will blink the message “bAd CArd.” (Turn
start-stop switch OFF and remove the card.)