Unic URW295CR, Maintenance Manual

Page: 21 / 125

When an error is detected, the mode indicator goes off or blinks and the voice message “Service remote control” sounds.
Mode
indication
Trouble
Available
operation
７０
Derrick
No operation
is possible.
Check if oil pressure is applied.
７１
Hoisting
Check that manual lever has not been caught.
７２
Telescoping If lever has no problem,
７３
Slewing
replace proportional solenoid valve.
７４
High outrigger
７５
Acceleration
Operation is
possible.
７６
Derrick Replace broken transmitter switch.
７７
Hoisting
７８
Telescoping
７９
Slewing
８０
Derrick
No operation
is possible.
８１
Hoisting
８２
Telescoping If there is no problem,
８３
Slewing
replace differential transformer.
８４
Outrigger
８５
Acceleration
９８
The voltage of the battery is nine volts or less. Battery exchange
９９
（８－５）
Spool deviation error.
Manual lever (spool) fails
to be controlled as
intended while radio
controller is operated.
Transmitter switch is
broken.
Replace batteries of transmitter to turn it ON
again.Radio controller is wrong unless power indi
cator lamp on transmitter lights or blinks quickly.
Feed-back signal wire is
broken.
Differential transformer is
not functioning normally.
Transmitter batteries are dead.When batteries have
run out, voice message requesting replacement of
batteries is to be issued.
98 blinking when the engine starts is not
abnormal.
Check connector of differential transformer for
connection.
Operation is
possible.
No operation
is possible.
Radio
controller
cannot be
operated.
Measures