Fuji Electric ALPHA5 Smart, User Manual

Page: 372 / 636

CHAPTER 7 MAINTENANCE AND INSPECTION
7-4
Status Display
7
7.2.3 Alarm Display List
When an alarm is detected, the display on the amplifier will show an alarm code as per the following table.
Order of
description
display Name Type
1
oc1
Overcurrent 1
2
oc2
Overcurrent 2
3
oS
Overspeed
4
Hu
Overvoltage
5
Et1
Encoder Trouble 1
6
Et2
Encoder Trouble 2
7
ct
Circuit Trouble
8
dE
Memory Error
9
Fb
Fuse Blown
10
cE
Motor Combination Error
11
tH
Breaking Transistor Overheat
12
Ec
Encoder Communication Error
13
ctE
CONT
（
Control signal
）
Error
14
oL1
Overload 1
15
oL2
Overload 2
16
rH4
Inrush Current Suppression Circuit Trouble
Major
17
LuP
Main Power Undervoltage
18
rH1
Internal Breaking Resistor Overheat
19
rH2
External Breaking Resistor Overheat
20
rH3
Breaking Transistor Error
21
oF
Deviation Overflow
22
AH
Amplifier Overheat
23
EH
Encoder Overheat
24
dL1
Absolute Data Lost 1
25
DL2
Absolute Data Lost 2
26
DL3
Absolute Data Lost 3
27
AF
Multi-turn Data Over Flow
28
iE
Initial Error
Minor
To reset the alarm, perform one of the following methods.

Turn the alarm reset (RST: sequence input signal) on temporarily and then turn it off.

From the keypad, select the test operation mode [Fn05] and execute the alarm reset.

On the alarm screen, press and hold the [

] and [

] keys of the keypad simultaneously for at least
one second.

From the PC Loader, use the alarm reset in the "monitor" command.

After the alarm reset, the data specified with parameter "PA2_77 (initial display of the keypad)" is
displayed.