temperature of 0 to 40 .
When the battery pack reaches a temperature
suitable for charging, the charging is automatically
started.
Error lamp (red) for the battery charger blinks
The battery breaks down or is at the end of its life
Replace the battery.
Performance Inspection Mode, for example after maintenance / oil.
This mode can be used to test the tool’s performance independent of the setting parameters, the tool will not shut-off.
Attach the battery.
Please use the TF pin 2 x 90 as supplied in the box of the tool.
Push the button in the back of the tool (careful to prevent damage to the button), pull the trigger and release the trigger. If the LED stats blinking white the tool is in inspection mode, the tool
speed will be 4800 rpm.
ERROR Mode: Display by LED
LED lighting pattern at Error or alarm.
Condition
LED Lightning/Blinking pattern
Communication Error
2 times blinking
Inspection / repair of the tool is necessary.
Please send the tool to our company or our certified service shop for repair.
Motor lock error
5 times blinking
Wire breakage in motor temperature
sensor
6 times blinking
Wire breakage in driver temperature sensor
7 times blinking
Over-voltage error
8 times blinking
Over-current error
9 times blinking
Speed setting error
10 times blinking
The speed setting switch is set to the intermediate position of the adjacent setting. Please
remove the battery pack and set the speet setting switch setting to the correct position.
Low voltage error *1
11 times blinking
Please replace the battery pack
Battery pack remaining amount alarm *2*3*
Continuous blinking
Please replace the battery pack
Overheat alarm *3
Lighting
Please wait until release (LED lamp lights off).
*1: Low voltage error may operate when using a battery pack whose performance has deteriorated due to deterioration, low temperature, etc. Normally, overdischarge protection in
the battery pack operates first and the low voltage error will not operate.
*2 : Even if battery pack remaining amount alarm occurs, if you continue to use without replacing the battery pack, overdischarge protection in the battery pack is activated and the
power supply is shut off.
*3 : Even if the tool stops due to overheating while the battery pack remaining amount alarm is generated, LED keeps high speed blinking and will not be lit.
< The tool does not operate until the overheat status is released.>
Motor Overheat
The motor of the tool might overheat at intensive use. This overheat is depending on the tools adjustment (speed and relief valve) and the application, hard joint or soft joint.
At maximum torque output on hard joint application (0.5 seconds impulsing) the models can make at least the number of cycles as per below:
YZ-T600: 10 cycles per minute
YZ-T800: 8 cycles per minute
YZ-T900: 6 cycles per minute
YZ-T950: 5 cycles per minute
Intended use:
The user or the user's employer shall assess the specific use that can be present as a result of each use.
Never use the tool otherwise than the tool is designed for and as explained in this manual.
Damages as a consequence of not following this manual, or caused by incorrect use or incorrect repairs, will never be covered by our warranty and we will have no responsibility for it. We reserve
the right for technical improvements, without prior notification.
This tool is designed for tightening processes on threaded fasteners, if used otherwise a risk assessment has to be made by the employer/user.
Summary of Contents for YZ-T900E
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Page 14: ...www rami yokota com...
