YASKAWA SGM Series User Manual page 200

Alarm Code
(Alarm/Warning History)
"F3"
Power loss error
"00"
Absolute encoder data
error
"02"
Broken user constant
"94"
User constant setting
warning
"95"
Command warning Command warning
"E5"
Synchronization error
"E6"
Communication error Communication error
"Bj"
Hardware error
Note The alarm code "00" is reset by turning OFF the encoder power supply (by transferring SENS_OFF command)
and by transferring ALM_CLR command.
J Problems due to Defective Wiring or Parts
Symptom
Motor will not run with refer-
ence input
Status When Lit
Lit at power ON
Lit several seconds after power
ON
Lit at power ON
Lit at power ON
At command transfer
At the SV_ON command tran-
fer
At the synchronous command
(SYNC_SET) transfer
At command transfer
At power supply turn ON
At power supply turn ON
Table 12.7 Problems Caused by Defective Wiring or Parts
Check Areas and Items
S Check voltage between R and T.
S Make sure the alarm indicator is not lit.
S Check the N-OT, P-OT, and signals.
S Use the SMON command (statsu monitor) to
check SERVOPACK status.
Cause
Time between turning power OFF
and back ON was shorter than the
power holding time.
S Absolute encoder malfunctioned
S Absolute encoder wiring incorrect Check and correct absolute en-
Circuit board (1PWB) defective
An user constant was set out of range
via MECHATROLINK communica-
tion or the setting order was incor-
rect.
The CONNECT command has not
been transferred.
The CONNECT or SENS−ON com-
mand has not been transferred.
Main power supply not turn ON.
Communication phase 3 has not been
reached.
WDT data does not match.
Faulty contact between cable and
connector.
Malfunction due to noise
Control board (1PWB) defective.
S Check the AC power supply circuit.
S Look for a cause if an indicator is lit.
12 -7
12.2 Troubleshooting
Remedy
After turning power OFF, wait
longer than the power holding
time before turning power back
ON.
S Turn power back ON.
S Follow the absolute encoder
setup procedures.
coder wiring.
Replace SERVOPACK.
Set the correct setting and re-
view the exact setting order.
Transfer the CONNECT com-
mand.
Transfer the CONNECT or
SENS_ON command.
Turn ON the main power sup-
ply. (Check the sequence.)
Establish a sync by CON-
NECT command (normal, syn-
chronum) or the SYNC−SET
command.
Update the WDT data at each
communication cycle.
Correct the connector wiring.
Take action to eliminate noise.
Replace SERVOPACK.
Remedy
12