14.6
Sytronix Error Code
Panel
display
Function
code
Error information
Reason
Solution
APE1
d0.89
0: No error
-
-
1: Pressure feedback
exceed pump limit
Actual pressure exceeding [F4.16]
(pump maximum pressure)
1. Set pressure to a lower value
2. Check if the wiring is properly
connected for pressure feedback
transmission
3. Increase [F4.16]
2: Pressure sensor error
1. The motor negative speed ex‐
ceeding [F4.06] with duration time
exceeding [F4.07]
2. The slow decrease of actual
pressure after the shutdown
1. Check if pressure transducer can
work properly. Increase the setting
of F4.06, F4.07, F4.08 and F4.09
2. Check if pressure transducer can
work properly. Increase the setting
of F4.10 and F4.11
3: Parameter setting
error
Parameter setting repetition
1. Check if parameter settings are
in conflict
2. EFC is under 24V mode, switch
mains supply on to avoid this
4: Oil filter error
Oil filter full
Clean or replace filter
5: Oil level error
Oil level too low
Refill oil
6: Oil temperature error Oil temperature reached
Reduce hydraulic loses or enhance
oil cooling
7: Oil change error
Operation time exceeds oil life time Change oil and reset operation tim‐
er F4.54
8: Oil level or tempera‐
ture error
No warning signal for oil level and
temperature available, or both are
active.
1. Check warning signal / sensor
2. Same solution as oil level / tem‐
perature error
9: Pump thermal protec‐
tion error
Pump speed is lower than required
for pump cooling F4.36
Increase system minimum speed
Tab. 14-3:
Error code
DOK-SYTROX-FCP5020****-IT01-EN-P
Bosch Rexroth AG
197/201
Frequency-controlled pump drive system Sytronix FcP 5020
Troubleshooting
