Operation 109/132
RE 30201-B/07.2014, SYEPS series 1X,
Bosch Rexroth AG
Table 31: Error codes
No.
Error description
Responsible
Cause of error
Measure
42
Punch-through monitoring
– interruption in the case of
excessively long stroke times
Customer
Required punching force too high
Inspect tool. Tool may be blunt or the
tool selected for the relevant metal
sheet thickness is too great
Communication error between
CNC/PLC and HNC
Timing problem in the
communication between CNC/PLC
and HNC. Narrow down error with
the help of measured data acquisition
in WIN-PED®.
43-46
Bosch Rexroth
Internal HNC error
Inform Bosch Rexroth
48
Clogging indicator responds
Customer
Low oil temperature
Re-check after operating time of
20 min and when oil temperature
> 30 °C
Filter clogged
Change filter
49
Bosch Rexroth
Internal HNC error
Inform Bosch Rexroth
50
Cable break of LP pressure
sensor
55
LP pressure too high
Customer
LP improperly set
Set pressure correctly; see section
8.1.9 on page 70.
Low oil temperature
Let power unit warm up 1)
56
LKP pressure is too low or
pressure drop is too fast
Customer
LP improperly set
Set pressure correctly; see section
8.1.9 on page 70.
Excessive stroke or break too
short
Set stroke or break properly
57
Gas pressure is not p0 ±5 bar
Customer
Gas pressure improperly set
Set precharge pressure according to
hydraulic circuit diagram.
1) For warming up, switch the power unit on and feed forward command values to the LP and HP
pumps. Then de-energize accumulator discharge valve item 1.170 type KSDER1PB/HN0V and let the
power unit run for about 20 min.
