4-3 13-bit absolute encoder
4-24
11
10
9
4
7
6
5
4
3
2
1
Encoder
s
yst
em
Remedial action for warning
Name
Description
Cause
Action
UA91
Battery
voltage low
The backup
battery voltage
has dropped to
DC2.8V or
below.
(1) Voltage drop due to consumption
of backup battery
(2) Short-circuit the encoder battery
wire
(3) HA-800A driver control circuit
error
(4) Encoder failure
(1) Replace with a new battery.
(2) Repair the wire.
(3) Replace the HA-800A driver.
(4) Replace the actuator.
Summary of Contents for H A - 800A
Page 60: ...2 6 Wiring the host device 2 21 4 2 2 1 9 8 7 6 9 8 Installation wiring...
Page 86: ...3 6 Normal operation 3 25 4 3 3 1 9 8 7 6 9 8 Startup...
Page 152: ...5 8 Connection example in control mode 5 35 1 2 3 4 5 6 7 8 9 10 11 Appe I O signals...
Page 166: ...6 1 Operating display panel 6 13 11 10 9 4 7 6 5 4 3 2 1 Panel display and operation...
Page 206: ...8 2 Function extension parameter 8 17 1 2 3 4 5 6 7 8 9 10 11 Appe System parameter mode...
Page 222: ...9 2 Details of test mode 9 15 1 2 3 4 5 6 7 8 9 Test mode...
Page 270: ...11 2 Warnings and remedial actions 11 17 1 2 3 4 5 6 7 8 9 10 11 Appe Troubleshooting...
Page 271: ...1 16 Chapter 12 Option Options you can purchase as necessary are explained 12 1 Option 12 1...
Page 276: ...12 1 Option 12 5 1 2 3 4 5 6 7 8 12 Option...