- 28 -
Failure
1. Load-cell damage: In the case that either rating loads or more of loads or large forces from lateral direction are applied to
the load-cell, permanent strain will be occurred and the following symptoms may appear:
(1) Final load value indication is displayed; either of [LoAd], [oFL3] or [oFL4] is shown and sounds the buzzer.
(2) When power is switched on, number of two figures or more is shown in the display after the self-check.
(3) Final load value or press-fit load value that is extremely abnormal is shown in the display.
2. Failure of the controller: If following symptom is come up, please contact our company.
(1) Figure in the digital display cannot be readable: Failure of LED
No lighting LED can be find out at the time of self-check after the power on.
(2) At the time of self-check, [nG] is displayed then stopped. Abnormal was found to the RAM or ROM being assembled
inside of the controller.
3. If It seems the failure:
Condition Please investigate following points
All values on the press controller p
anel face are not shown
・Is power supply code connected?
・Is power supply switch turned off?
・Is fuse blown?
Either of [LoAd], [oFL3], or [oFL4
] is shown in the display
・Is 5P connector at the end of load cell cable tidily treated?
Load display is unchanged
・Is measurement start signal still in put?
・Did you push the reset key after the judgment of NG product?
It doesn’t show the press-fit value
or it doesn’t fix the final load valu
e.
・Does load measurement end sensor correctly function? (In case of modes
5, 6 and 7)
・Is operating function change switch on the “Die matching” side?
・Does switch for press hold operate?
・Is press upper limit signal input during the press is in operation?
Press doesn’t operate.
(Press ram doesn’t start)
・Is emergency stop signal input?
・Does switch for press upper limit signal operate?
(Does start lamp of controller light up?)
・Is wiring in the come-off state?
・After the NG product judgment, do you push the reset key?
・Is switch for hold signal operated when press is at upper limit?
(Press can not start when hold lamp lights up)
・Is the power correctly supplied?
・Is the air normally supplied?
・Is the electromagnetic valve normally operated?
Pressurizing force of press is unstab
le
・Is the set pressure of supplied air abnormally high?
Contact when occurrence of failure: Engineering Dept. (Tel. 03-3265-5437)
Prior to the contact with us, please confirm the type of press controller and the serial number.
To Next Page
Loading...
Need help?
General