M A E D A Crawler Crane 6.21 ERROR CODES AND WARNINGS
5/2020 CC1908S-1 6-115
MONITOR ERROR CODES
If any of the following error codes are displayed, refer to "Corrective action", and take corrective action. If
the problem persists, contact us or our sales service agency for repairs.
If an error code is displayed, check the following table and take the appropriate corrective action.
Error code Error details Explanation Corrective action
EC□□
Controller error
A system error or
communication error occurred
in the controller.
Stop using the machine and
contact us or our sales service
agency.
EI□□□ Input error An input error occurred.
ES□□□
Sensor input error
A sensor-related input error
occurred.
EO□□□
Output error An output error occurred.
EV□□□
Power supply error
An optional power
supply-related error occurred.
EFJ□□
Specifications setting
error
An error occurred with option
mounting and monitor
settings.
(Excluding the searcher hook
mode)
Changes are required to monitor
settings. Contact us or our sales
service agency.
Occurs when the limit switch
for fly jib stowage is turned off
in searcher hook mode.
Check the searcher hook mode
setting.
Perform an inspection of the limit
switch.
If the problem remains, please
contact us or our sales service
agency.
EV001 Battery voltage error
The power supply voltage was
below 22 V or above 30 V
continuously while the engine
was running.
Visually check the battery and
measure the voltage.
Replace or recharge the battery
as necessary.
If the problem is not resolved,
contact us or our sales service
agency.
EH01
Hydraulic oil
temperature error
The hydraulic oil temperature
was above 95 °C continuously.
Run the engine at idle for a while
without shutting down the engine.
EH02
Air cleaner clogging
error
Air cleaner clogging occurred.
Clean the air cleaner element.
Replace the element if the
problem is not resolved even after
cleaning.
All other
codes
□□□-□
Engine
An engine-related error
occurred.
If the codes listed above appear
simultaneously, corrective action
for those codes should take
priority.
If only the engine error code is
displayed, stop using the machine
and contact us or our sales
service agency.
• The numbers indicated by □□□ in the error code will vary depending on the individual error.
• Perform a driving cycle after resolving an engine error code.
[Driving cycle]
Engine start (1 minute) → Engine stop (1 minute) → Engine start (1 minute) → Engine stop (1 minute)
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