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Service and Repair Manual
Control System Fault Codes
How to Retrieve Control System
Fault Codes from the Ground
Controls
1
Turn the key switch to platform control.
2
Pull out the red Emergency Stop button to the
on position at both the ground and platform
controls.
3
Open the ground controls side turntable cover.
4
Locate the turntable control module (TCON)
underneath the ground control box.
5
Visually inspect the flashing green and red
LEDs on the controller.
Note: The red LED indicates the source of the error
and the green LED indicates the error type.
6
Determine the error source: The flashing red
LED, when combined with short or long
pauses between the flash, tells the service
technician the specific source of the error.
Error source code 32, for example, would
appear as three quick red flashes followed by
a short pause of almost two seconds, then two
more quick red flashes. Error source code
33 would appear as three quick red flashes
followed by a short pause, then three more
quick red flashes followed by a long pause.
7
Determine the error type: The flashing green
LED, when combined with short or long
pauses between the flash, tells the service
technician the specific error type. Error type
code 12, for example, would appear as one
quick green flash followed by a short pause of
almost two seconds, then two more quick
green flashes followed by a long pause. Error
type code 15 would appear as one quick
green flash followed by a short pause, then
five more quick green flashes followed by a
long pause.
70
8
Use the fault code table on the following pages
to aid in troubleshooting the machine by
pinpointing the area or component affected.
Note: Only control system fault codes can be
retrieved from TCON. Motor controller fault codes
can only be retrieved by following the procedure
using the platform controls. See How to Retrieve
Control System Fault Codes from the Platform
Controls.
Z-40/23N, Z-40/23N RJ
1 green LED
2 red LED
3 turntable control module (TCON)
September 2016
Part No. 1268528
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