YASKAWA Motoman UP6 Instructions Manual page 365

2. Press [SERVO ON READY] on the playback panel. The [SERVO ON READY] lamp
blinks.
3. Press [TEACH LOCK] on the programming pendant. The [TEACH LOCK] LED blinks.
4. When the deadman switch is grasped lightly, the servo power is turned ON.
When the deadman switch is grasped firmly or released, the servo power is turned
OFF.
If the [SERVO ON READY] lamp does not light in previous operation (2), check the follow-
N OT E
ing:
• The emergency stop button on the playback panel is pressed.
• The emergency stop button on the programming pendant is pressed.
• The emergency stop signal is input from external.
If the servo is not turned on in a previous operation (4), check the following:
• The overrun LS is operating.
• If a major alarm is occurring.
8.6
Battery Inspections
The XRC has a battery that backs up the important program files for user data in the CMOS
memory.
A battery alarm indicates when a battery has expired and must be replaced. The programming
pendant display and the message "Memory battery weak" appears at the bottom of the dis-
play.
The way to replace the battery is described in "9.1.1 Replacing Parts of the CPU Rack".
S E R V O O N
R E A D Y
T E A C H
L O C K
8-5
8.6 Battery Inspections