October 2020
Part No. 1268553GT
Z®-51/
31J
69
Service and Repair Manual
Control System Fault Codes
Control System
How to Retrieve Control
System Fault Codes
At least one fault code is present when the alarm
at the platform controls produces two short beeps
every 30 seconds for 10 minutes.
Perform this procedure with the engine off, the
key switch turned to platform controls and the
red Emergency Stop button pulled out to the on
position at both the ground and platform controls
.
1 Open the platform control box lid.
WARNING
Electrocution/burn hazard.
Contact with electrically charged
circuits could result in death or
serious injury. Remove all rings,
watches and other jewelry.
2 Locate the red and yellow fault LEDs on the
ALC-500 circuit board inside the platform
control box. Do not touch the circuit board.
NOTICE
Component damage hazard.
Electrostatic discharge (ESD)
can damage printed circuit
board components. Maintain
firm contact with a metal part of
the machine that is grounded
at all times when handling
printed circuit boards OR use a
grounded wrist strap.
3 Determine the error source: The red LED
indicates the error source and will flash two
separate codes. The first code will indicate the
first digit of the two digit code, flashing once per
second. It will then pause for 1.5 seconds and
flash the second digit once per 0.5 second.
Note: When the red LED is flashing the code, the
yellow LED will be on solid.
4 Determine the error type: The yellow LED
indicates the error type and will flash two
separate codes. The first code will indicate the
first digit of the two digit code, flashing once per
second. It will then pause for 1.5 seconds and
flash the second digit once per 0.5 second.
Note: When the yellow LED is flashing the code,
the red LED will be on solid.
5 Use the fault code table on the following
pages to aid in troubleshooting the machine by
pinpointing the area or component affected.
Содержание Z-51/30J
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Страница 107: ...October 2020 Service and Repair Manual 97 Wiring Diagram Battery Hydraulic Oil and Engine Oil Heater Options...
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Страница 127: ...October 2020 Service and Repair Manual 117 Ground Control Box Terminal Strip Wiring Diagram CE...
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Страница 131: ...October 2020 Service and Repair Manual 121 Platform Control Box Wiring Diagram CE...
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