Chapter 5 Methods of Anomaly Diagnosis | VFD-VJ
5-17
No.
Display
Fault codes defined
by Delta
(2021H High Byte)
Descriptions
A27
001BH
The function of this warning code is to prevent oil pump from
damaging while running without sucking in any hydraulic oil.
When the hybrid servo drive goes from STOP to RUN, it starts
to check if the pressure is over 0.5Bar within the time set at
Pr.00-60. During this checking period, the servo drive refuses
pressure command and flow command sent from keypad. The
keypad displays bp (building pressure).
If the pressure is still under 0.5bar after the checking period
set at Pr.00-60, there will be an oil shortage warning and the
hybrid servo drive will stop running. The keypad will display
noil (no oil).
If the pressure is over 0.5bar within the checking time set at
Pr00-60, the hybrid servo drive continues to run normally.
There won’t be a bp warning. (bP)
※ This function is effective when Pr.00-27 <minimum
pressure> is
set as higher than 0.3% and the time setting at Pr.00-60
is NOT 0.
A28
001CH Output Phase Loss (oPHL)
A36
0024H Software error 1 occurred on CANopen (CGdn)
A37
0025H Software error 2 occurred on CANopen (CHbn)
A38
0026H CANopen Synchronization off (CSyn)
A39
0027H CANopen bus off (CbFn)
A40
0028H CANopen index error (CIdn)
A41
0029H CANopen station address error (CAdn)
A42
002AH CANopen memory error (CFrn)
A43
002BH CANopen SDO transmission time-out (CSdn
A44
002CH CANopen SDO received register overflow (CSbn)
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